Home / 1,098,165.40-1,645,935.90-565,412.20

Finding the Fourth Proportional to 1,098,165.40, 1,645,935.90 and 565,412.20

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Solution

The fourth proportional to 1,098,165.40, 1,645,935.90 and 565,412.20 is: 847,442.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,165.40 : 1,645,935.90 = 565,412.20 : x
  2. Step 2: Convert to fraction form
    1,098,165.40/1,645,935.90 = 565,412.20/x
  3. Step 3: Cross multiply
    1,098,165.40x = 1,645,935.90 × 565,412.20
  4. Step 4: Simplify right side
    1,098,165.40x = 930,632,238,277.98
  5. Step 5: Solve for x
    x = 930,632,238,277.98/1,098,165.40
  6. Step 6: Final answer
    x = 847,442.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.