Home / 1,040.18-1,435.47-592.12

Finding the Fourth Proportional to 1,040.18, 1,435.47 and 592.12

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Solution

The fourth proportional to 1,040.18, 1,435.47 and 592.12 is: 817.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.18 : 1,435.47 = 592.12 : x
  2. Step 2: Convert to fraction form
    1,040.18/1,435.47 = 592.12/x
  3. Step 3: Cross multiply
    1,040.18x = 1,435.47 × 592.12
  4. Step 4: Simplify right side
    1,040.18x = 849,966.91
  5. Step 5: Solve for x
    x = 849,966.91/1,040.18
  6. Step 6: Final answer
    x = 817.14

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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.