Home / 1,087,484.48-1,501,147.12-724,776

Finding the Fourth Proportional to 1,087,484.48, 1,501,147.12 and 724,776

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Solution

The fourth proportional to 1,087,484.48, 1,501,147.12 and 724,776 is: 1,000,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,484.48 : 1,501,147.12 = 724,776 : x
  2. Step 2: Convert to fraction form
    1,087,484.48/1,501,147.12 = 724,776/x
  3. Step 3: Cross multiply
    1,087,484.48x = 1,501,147.12 × 724,776
  4. Step 4: Simplify right side
    1,087,484.48x = 1,087,995,405,045.12
  5. Step 5: Solve for x
    x = 1,087,995,405,045.12/1,087,484.48
  6. Step 6: Final answer
    x = 1,000,469.82

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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.