Home / 1,708,419.20-2,563,336.13-748,378.80

Finding the Fourth Proportional to 1,708,419.20, 2,563,336.13 and 748,378.80

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Solution

The fourth proportional to 1,708,419.20, 2,563,336.13 and 748,378.80 is: 1,122,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708,419.20 : 2,563,336.13 = 748,378.80 : x
  2. Step 2: Convert to fraction form
    1,708,419.20/2,563,336.13 = 748,378.80/x
  3. Step 3: Cross multiply
    1,708,419.20x = 2,563,336.13 × 748,378.80
  4. Step 4: Simplify right side
    1,708,419.20x = 1,918,346,413,224.15
  5. Step 5: Solve for x
    x = 1,918,346,413,224.15/1,708,419.20
  6. Step 6: Final answer
    x = 1,122,878.05

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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.