Home / 910,001.80-1,365,002.70-738,759.70

Finding the Fourth Proportional to 910,001.80, 1,365,002.70 and 738,759.70

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Solution

The fourth proportional to 910,001.80, 1,365,002.70 and 738,759.70 is: 1,108,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,001.80 : 1,365,002.70 = 738,759.70 : x
  2. Step 2: Convert to fraction form
    910,001.80/1,365,002.70 = 738,759.70/x
  3. Step 3: Cross multiply
    910,001.80x = 1,365,002.70 × 738,759.70
  4. Step 4: Simplify right side
    910,001.80x = 1,008,408,985,151.19
  5. Step 5: Solve for x
    x = 1,008,408,985,151.19/910,001.80
  6. Step 6: Final answer
    x = 1,108,139.55

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1.5x scale

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.