Home / 1,048,404.60-1,570,274.10-861,780.60

Finding the Fourth Proportional to 1,048,404.60, 1,570,274.10 and 861,780.60

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Solution

The fourth proportional to 1,048,404.60, 1,570,274.10 and 861,780.60 is: 1,290,753.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,404.60 : 1,570,274.10 = 861,780.60 : x
  2. Step 2: Convert to fraction form
    1,048,404.60/1,570,274.10 = 861,780.60/x
  3. Step 3: Cross multiply
    1,048,404.60x = 1,570,274.10 × 861,780.60
  4. Step 4: Simplify right side
    1,048,404.60x = 1,353,231,756,062.46
  5. Step 5: Solve for x
    x = 1,353,231,756,062.46/1,048,404.60
  6. Step 6: Final answer
    x = 1,290,753.36

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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.