Home / 1,427,002.80-2,140,504.20-585,121.20

Finding the Fourth Proportional to 1,427,002.80, 2,140,504.20 and 585,121.20

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Solution

The fourth proportional to 1,427,002.80, 2,140,504.20 and 585,121.20 is: 877,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,002.80 : 2,140,504.20 = 585,121.20 : x
  2. Step 2: Convert to fraction form
    1,427,002.80/2,140,504.20 = 585,121.20/x
  3. Step 3: Cross multiply
    1,427,002.80x = 2,140,504.20 × 585,121.20
  4. Step 4: Simplify right side
    1,427,002.80x = 1,252,454,386,109.04
  5. Step 5: Solve for x
    x = 1,252,454,386,109.04/1,427,002.80
  6. Step 6: Final answer
    x = 877,681.80

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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.