Home / 1,174,689.60-1,762,495.20-426,811.20

Finding the Fourth Proportional to 1,174,689.60, 1,762,495.20 and 426,811.20

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Solution

The fourth proportional to 1,174,689.60, 1,762,495.20 and 426,811.20 is: 640,384.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,689.60 : 1,762,495.20 = 426,811.20 : x
  2. Step 2: Convert to fraction form
    1,174,689.60/1,762,495.20 = 426,811.20/x
  3. Step 3: Cross multiply
    1,174,689.60x = 1,762,495.20 × 426,811.20
  4. Step 4: Simplify right side
    1,174,689.60x = 752,252,691,306.24
  5. Step 5: Solve for x
    x = 752,252,691,306.24/1,174,689.60
  6. Step 6: Final answer
    x = 640,384.23

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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.