Home / 918,001.60-1,377,002.40-851,646.40

Finding the Fourth Proportional to 918,001.60, 1,377,002.40 and 851,646.40

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Solution

The fourth proportional to 918,001.60, 1,377,002.40 and 851,646.40 is: 1,277,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,001.60 : 1,377,002.40 = 851,646.40 : x
  2. Step 2: Convert to fraction form
    918,001.60/1,377,002.40 = 851,646.40/x
  3. Step 3: Cross multiply
    918,001.60x = 1,377,002.40 × 851,646.40
  4. Step 4: Simplify right side
    918,001.60x = 1,172,719,136,751.36
  5. Step 5: Solve for x
    x = 1,172,719,136,751.36/918,001.60
  6. Step 6: Final answer
    x = 1,277,469.60

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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.