Home / 1,218,275.72-1,827,335.76-376,757

Finding the Fourth Proportional to 1,218,275.72, 1,827,335.76 and 376,757

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Solution

The fourth proportional to 1,218,275.72, 1,827,335.76 and 376,757 is: 565,111.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,275.72 : 1,827,335.76 = 376,757 : x
  2. Step 2: Convert to fraction form
    1,218,275.72/1,827,335.76 = 376,757/x
  3. Step 3: Cross multiply
    1,218,275.72x = 1,827,335.76 × 376,757
  4. Step 4: Simplify right side
    1,218,275.72x = 688,461,538,930.32
  5. Step 5: Solve for x
    x = 688,461,538,930.32/1,218,275.72
  6. Step 6: Final answer
    x = 565,111.43

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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.