Home / 1,478,759.20-2,216,389.20-625,829.20

Finding the Fourth Proportional to 1,478,759.20, 2,216,389.20 and 625,829.20

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Solution

The fourth proportional to 1,478,759.20, 2,216,389.20 and 625,829.20 is: 938,003.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,759.20 : 2,216,389.20 = 625,829.20 : x
  2. Step 2: Convert to fraction form
    1,478,759.20/2,216,389.20 = 625,829.20/x
  3. Step 3: Cross multiply
    1,478,759.20x = 2,216,389.20 × 625,829.20
  4. Step 4: Simplify right side
    1,478,759.20x = 1,387,081,079,924.64
  5. Step 5: Solve for x
    x = 1,387,081,079,924.64/1,478,759.20
  6. Step 6: Final answer
    x = 938,003.35

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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.