Home / 1,142,366.90-1,576,639.95-729,082

Finding the Fourth Proportional to 1,142,366.90, 1,576,639.95 and 729,082

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Solution

The fourth proportional to 1,142,366.90, 1,576,639.95 and 729,082 is: 1,006,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,366.90 : 1,576,639.95 = 729,082 : x
  2. Step 2: Convert to fraction form
    1,142,366.90/1,576,639.95 = 729,082/x
  3. Step 3: Cross multiply
    1,142,366.90x = 1,576,639.95 × 729,082
  4. Step 4: Simplify right side
    1,142,366.90x = 1,149,499,808,025.90
  5. Step 5: Solve for x
    x = 1,149,499,808,025.90/1,142,366.90
  6. Step 6: Final answer
    x = 1,006,243.97

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1.5x scale

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.