Home / 851,000.90-1,275,189.15-738,151.70

Finding the Fourth Proportional to 851,000.90, 1,275,189.15 and 738,151.70

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Solution

The fourth proportional to 851,000.90, 1,275,189.15 and 738,151.70 is: 1,106,089.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,000.90 : 1,275,189.15 = 738,151.70 : x
  2. Step 2: Convert to fraction form
    851,000.90/1,275,189.15 = 738,151.70/x
  3. Step 3: Cross multiply
    851,000.90x = 1,275,189.15 × 738,151.70
  4. Step 4: Simplify right side
    851,000.90x = 941,283,038,894.06
  5. Step 5: Solve for x
    x = 941,283,038,894.06/851,000.90
  6. Step 6: Final answer
    x = 1,106,089.36

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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.