Home / 1,437,170.04-2,155,387.22-426,055.55

Finding the Fourth Proportional to 1,437,170.04, 2,155,387.22 and 426,055.55

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Solution

The fourth proportional to 1,437,170.04, 2,155,387.22 and 426,055.55 is: 638,974.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,170.04 : 2,155,387.22 = 426,055.55 : x
  2. Step 2: Convert to fraction form
    1,437,170.04/2,155,387.22 = 426,055.55/x
  3. Step 3: Cross multiply
    1,437,170.04x = 2,155,387.22 × 426,055.55
  4. Step 4: Simplify right side
    1,437,170.04x = 918,314,676,170.57
  5. Step 5: Solve for x
    x = 918,314,676,170.57/1,437,170.04
  6. Step 6: Final answer
    x = 638,974.27

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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.