Home / 1,246,313.40-1,869,470.10-447,718.20

Finding the Fourth Proportional to 1,246,313.40, 1,869,470.10 and 447,718.20

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Solution

The fourth proportional to 1,246,313.40, 1,869,470.10 and 447,718.20 is: 671,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,313.40 : 1,869,470.10 = 447,718.20 : x
  2. Step 2: Convert to fraction form
    1,246,313.40/1,869,470.10 = 447,718.20/x
  3. Step 3: Cross multiply
    1,246,313.40x = 1,869,470.10 × 447,718.20
  4. Step 4: Simplify right side
    1,246,313.40x = 836,995,788,125.82
  5. Step 5: Solve for x
    x = 836,995,788,125.82/1,246,313.40
  6. Step 6: Final answer
    x = 671,577.30

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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.