Home / 1,166,444.63-1,749,666.96-279,980.63

Finding the Fourth Proportional to 1,166,444.63, 1,749,666.96 and 279,980.63

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Solution

The fourth proportional to 1,166,444.63, 1,749,666.96 and 279,980.63 is: 419,970.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,444.63 : 1,749,666.96 = 279,980.63 : x
  2. Step 2: Convert to fraction form
    1,166,444.63/1,749,666.96 = 279,980.63/x
  3. Step 3: Cross multiply
    1,166,444.63x = 1,749,666.96 × 279,980.63
  4. Step 4: Simplify right side
    1,166,444.63x = 489,872,849,002.65
  5. Step 5: Solve for x
    x = 489,872,849,002.65/1,166,444.63
  6. Step 6: Final answer
    x = 419,970.94

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.