Home / 1,413,880.49-2,120,501.19-402,980.65

Finding the Fourth Proportional to 1,413,880.49, 2,120,501.19 and 402,980.65

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Solution

The fourth proportional to 1,413,880.49, 2,120,501.19 and 402,980.65 is: 604,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,880.49 : 2,120,501.19 = 402,980.65 : x
  2. Step 2: Convert to fraction form
    1,413,880.49/2,120,501.19 = 402,980.65/x
  3. Step 3: Cross multiply
    1,413,880.49x = 2,120,501.19 × 402,980.65
  4. Step 4: Simplify right side
    1,413,880.49x = 854,520,947,871.97
  5. Step 5: Solve for x
    x = 854,520,947,871.97/1,413,880.49
  6. Step 6: Final answer
    x = 604,379.90

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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.