Home / 1,152,165.60-1,728,248.40-753,256.80

Finding the Fourth Proportional to 1,152,165.60, 1,728,248.40 and 753,256.80

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Solution

The fourth proportional to 1,152,165.60, 1,728,248.40 and 753,256.80 is: 1,129,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,165.60 : 1,728,248.40 = 753,256.80 : x
  2. Step 2: Convert to fraction form
    1,152,165.60/1,728,248.40 = 753,256.80/x
  3. Step 3: Cross multiply
    1,152,165.60x = 1,728,248.40 × 753,256.80
  4. Step 4: Simplify right side
    1,152,165.60x = 1,301,814,859,389.12
  5. Step 5: Solve for x
    x = 1,301,814,859,389.12/1,152,165.60
  6. Step 6: Final answer
    x = 1,129,885.20

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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.