Home / 726,751.20-1,090,126.80-569,114.40

Finding the Fourth Proportional to 726,751.20, 1,090,126.80 and 569,114.40

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Solution

The fourth proportional to 726,751.20, 1,090,126.80 and 569,114.40 is: 853,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,751.20 : 1,090,126.80 = 569,114.40 : x
  2. Step 2: Convert to fraction form
    726,751.20/1,090,126.80 = 569,114.40/x
  3. Step 3: Cross multiply
    726,751.20x = 1,090,126.80 × 569,114.40
  4. Step 4: Simplify right side
    726,751.20x = 620,406,859,705.92
  5. Step 5: Solve for x
    x = 620,406,859,705.92/726,751.20
  6. Step 6: Final answer
    x = 853,671.60

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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.