Home / 1,754,213.60-2,631,320.40-424,517.60

Finding the Fourth Proportional to 1,754,213.60, 2,631,320.40 and 424,517.60

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Solution

The fourth proportional to 1,754,213.60, 2,631,320.40 and 424,517.60 is: 636,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,213.60 : 2,631,320.40 = 424,517.60 : x
  2. Step 2: Convert to fraction form
    1,754,213.60/2,631,320.40 = 424,517.60/x
  3. Step 3: Cross multiply
    1,754,213.60x = 2,631,320.40 × 424,517.60
  4. Step 4: Simplify right side
    1,754,213.60x = 1,117,041,821,039.04
  5. Step 5: Solve for x
    x = 1,117,041,821,039.04/1,754,213.60
  6. Step 6: Final answer
    x = 636,776.40

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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.