Home / 1,276,545.06-1,915,116.99-508,089.30

Finding the Fourth Proportional to 1,276,545.06, 1,915,116.99 and 508,089.30

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Solution

The fourth proportional to 1,276,545.06, 1,915,116.99 and 508,089.30 is: 762,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,545.06 : 1,915,116.99 = 508,089.30 : x
  2. Step 2: Convert to fraction form
    1,276,545.06/1,915,116.99 = 508,089.30/x
  3. Step 3: Cross multiply
    1,276,545.06x = 1,915,116.99 × 508,089.30
  4. Step 4: Simplify right side
    1,276,545.06x = 973,050,450,867.21
  5. Step 5: Solve for x
    x = 973,050,450,867.21/1,276,545.06
  6. Step 6: Final answer
    x = 762,253.12

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Double scale
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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.