Home / 1,292,493.60-1,938,740.40-732,621.60

Finding the Fourth Proportional to 1,292,493.60, 1,938,740.40 and 732,621.60

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Solution

The fourth proportional to 1,292,493.60, 1,938,740.40 and 732,621.60 is: 1,098,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,493.60 : 1,938,740.40 = 732,621.60 : x
  2. Step 2: Convert to fraction form
    1,292,493.60/1,938,740.40 = 732,621.60/x
  3. Step 3: Cross multiply
    1,292,493.60x = 1,938,740.40 × 732,621.60
  4. Step 4: Simplify right side
    1,292,493.60x = 1,420,363,093,832.64
  5. Step 5: Solve for x
    x = 1,420,363,093,832.64/1,292,493.60
  6. Step 6: Final answer
    x = 1,098,932.40

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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.