Home / 1,140,478.32-1,573,977.24-657,061.68

Finding the Fourth Proportional to 1,140,478.32, 1,573,977.24 and 657,061.68

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Solution

The fourth proportional to 1,140,478.32, 1,573,977.24 and 657,061.68 is: 906,812.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,478.32 : 1,573,977.24 = 657,061.68 : x
  2. Step 2: Convert to fraction form
    1,140,478.32/1,573,977.24 = 657,061.68/x
  3. Step 3: Cross multiply
    1,140,478.32x = 1,573,977.24 × 657,061.68
  4. Step 4: Simplify right side
    1,140,478.32x = 1,034,200,129,596.16
  5. Step 5: Solve for x
    x = 1,034,200,129,596.16/1,140,478.32
  6. Step 6: Final answer
    x = 906,812.62

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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.