Home / 1,145,875.56-1,581,342.39-662,397.90

Finding the Fourth Proportional to 1,145,875.56, 1,581,342.39 and 662,397.90

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Solution

The fourth proportional to 1,145,875.56, 1,581,342.39 and 662,397.90 is: 914,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,875.56 : 1,581,342.39 = 662,397.90 : x
  2. Step 2: Convert to fraction form
    1,145,875.56/1,581,342.39 = 662,397.90/x
  3. Step 3: Cross multiply
    1,145,875.56x = 1,581,342.39 × 662,397.90
  4. Step 4: Simplify right side
    1,145,875.56x = 1,047,477,878,316.98
  5. Step 5: Solve for x
    x = 1,047,477,878,316.98/1,145,875.56
  6. Step 6: Final answer
    x = 914,128.82

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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.