Home / 1,566,134.40-2,349,201.60-768,972.90

Finding the Fourth Proportional to 1,566,134.40, 2,349,201.60 and 768,972.90

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Solution

The fourth proportional to 1,566,134.40, 2,349,201.60 and 768,972.90 is: 1,153,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,134.40 : 2,349,201.60 = 768,972.90 : x
  2. Step 2: Convert to fraction form
    1,566,134.40/2,349,201.60 = 768,972.90/x
  3. Step 3: Cross multiply
    1,566,134.40x = 2,349,201.60 × 768,972.90
  4. Step 4: Simplify right side
    1,566,134.40x = 1,806,472,367,036.64
  5. Step 5: Solve for x
    x = 1,806,472,367,036.64/1,566,134.40
  6. Step 6: Final answer
    x = 1,153,459.35

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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.