Home / 1,121,327.20-1,547,929.20-759,276.64

Finding the Fourth Proportional to 1,121,327.20, 1,547,929.20 and 759,276.64

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Solution

The fourth proportional to 1,121,327.20, 1,547,929.20 and 759,276.64 is: 1,048,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,327.20 : 1,547,929.20 = 759,276.64 : x
  2. Step 2: Convert to fraction form
    1,121,327.20/1,547,929.20 = 759,276.64/x
  3. Step 3: Cross multiply
    1,121,327.20x = 1,547,929.20 × 759,276.64
  4. Step 4: Simplify right side
    1,121,327.20x = 1,175,306,481,933.89
  5. Step 5: Solve for x
    x = 1,175,306,481,933.89/1,121,327.20
  6. Step 6: Final answer
    x = 1,048,138.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.