Home / 803,937.60-1,205,906.40-712,958.40

Finding the Fourth Proportional to 803,937.60, 1,205,906.40 and 712,958.40

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Solution

The fourth proportional to 803,937.60, 1,205,906.40 and 712,958.40 is: 1,069,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,937.60 : 1,205,906.40 = 712,958.40 : x
  2. Step 2: Convert to fraction form
    803,937.60/1,205,906.40 = 712,958.40/x
  3. Step 3: Cross multiply
    803,937.60x = 1,205,906.40 × 712,958.40
  4. Step 4: Simplify right side
    803,937.60x = 859,761,097,493.76
  5. Step 5: Solve for x
    x = 859,761,097,493.76/803,937.60
  6. Step 6: Final answer
    x = 1,069,437.60

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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.