Home / 1,780,355-2,456,889.90-975,521.72

Finding the Fourth Proportional to 1,780,355, 2,456,889.90 and 975,521.72

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Solution

The fourth proportional to 1,780,355, 2,456,889.90 and 975,521.72 is: 1,346,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,355 : 2,456,889.90 = 975,521.72 : x
  2. Step 2: Convert to fraction form
    1,780,355/2,456,889.90 = 975,521.72/x
  3. Step 3: Cross multiply
    1,780,355x = 2,456,889.90 × 975,521.72
  4. Step 4: Simplify right side
    1,780,355x = 2,396,749,461,098.63
  5. Step 5: Solve for x
    x = 2,396,749,461,098.63/1,780,355
  6. Step 6: Final answer
    x = 1,346,219.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.