Home / 1,187,054.14-1,780,663.29-477,082.78

Finding the Fourth Proportional to 1,187,054.14, 1,780,663.29 and 477,082.78

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Solution

The fourth proportional to 1,187,054.14, 1,780,663.29 and 477,082.78 is: 715,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,054.14 : 1,780,663.29 = 477,082.78 : x
  2. Step 2: Convert to fraction form
    1,187,054.14/1,780,663.29 = 477,082.78/x
  3. Step 3: Cross multiply
    1,187,054.14x = 1,780,663.29 × 477,082.78
  4. Step 4: Simplify right side
    1,187,054.14x = 849,523,792,637.15
  5. Step 5: Solve for x
    x = 849,523,792,637.15/1,187,054.14
  6. Step 6: Final answer
    x = 715,657.16

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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.