Home / 959,355.20-1,439,032.80-918,401.60

Finding the Fourth Proportional to 959,355.20, 1,439,032.80 and 918,401.60

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Solution

The fourth proportional to 959,355.20, 1,439,032.80 and 918,401.60 is: 1,377,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,355.20 : 1,439,032.80 = 918,401.60 : x
  2. Step 2: Convert to fraction form
    959,355.20/1,439,032.80 = 918,401.60/x
  3. Step 3: Cross multiply
    959,355.20x = 1,439,032.80 × 918,401.60
  4. Step 4: Simplify right side
    959,355.20x = 1,321,610,025,972.48
  5. Step 5: Solve for x
    x = 1,321,610,025,972.48/959,355.20
  6. Step 6: Final answer
    x = 1,377,602.40

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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.