Home / 1,437,504.90-2,155,220.55-939,149.70

Finding the Fourth Proportional to 1,437,504.90, 2,155,220.55 and 939,149.70

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Solution

The fourth proportional to 1,437,504.90, 2,155,220.55 and 939,149.70 is: 1,408,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,504.90 : 2,155,220.55 = 939,149.70 : x
  2. Step 2: Convert to fraction form
    1,437,504.90/2,155,220.55 = 939,149.70/x
  3. Step 3: Cross multiply
    1,437,504.90x = 2,155,220.55 × 939,149.70
  4. Step 4: Simplify right side
    1,437,504.90x = 2,024,074,732,966.33
  5. Step 5: Solve for x
    x = 2,024,074,732,966.33/1,437,504.90
  6. Step 6: Final answer
    x = 1,408,047.19

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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.