Home / 1,121,617.54-1,547,649.57-662,668.66

Finding the Fourth Proportional to 1,121,617.54, 1,547,649.57 and 662,668.66

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Solution

The fourth proportional to 1,121,617.54, 1,547,649.57 and 662,668.66 is: 914,374.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,617.54 : 1,547,649.57 = 662,668.66 : x
  2. Step 2: Convert to fraction form
    1,121,617.54/1,547,649.57 = 662,668.66/x
  3. Step 3: Cross multiply
    1,121,617.54x = 1,547,649.57 × 662,668.66
  4. Step 4: Simplify right side
    1,121,617.54x = 1,025,578,866,701.48
  5. Step 5: Solve for x
    x = 1,025,578,866,701.48/1,121,617.54
  6. Step 6: Final answer
    x = 914,374.85

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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.