Home / 1,134,459.82-1,565,534.28-618,218.20

Finding the Fourth Proportional to 1,134,459.82, 1,565,534.28 and 618,218.20

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Solution

The fourth proportional to 1,134,459.82, 1,565,534.28 and 618,218.20 is: 853,130.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,459.82 : 1,565,534.28 = 618,218.20 : x
  2. Step 2: Convert to fraction form
    1,134,459.82/1,565,534.28 = 618,218.20/x
  3. Step 3: Cross multiply
    1,134,459.82x = 1,565,534.28 × 618,218.20
  4. Step 4: Simplify right side
    1,134,459.82x = 967,841,784,619.90
  5. Step 5: Solve for x
    x = 967,841,784,619.90/1,134,459.82
  6. Step 6: Final answer
    x = 853,130.07

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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.