Home / 1,072,646.88-1,479,891.33-607,437.15

Finding the Fourth Proportional to 1,072,646.88, 1,479,891.33 and 607,437.15

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Solution

The fourth proportional to 1,072,646.88, 1,479,891.33 and 607,437.15 is: 838,058.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,646.88 : 1,479,891.33 = 607,437.15 : x
  2. Step 2: Convert to fraction form
    1,072,646.88/1,479,891.33 = 607,437.15/x
  3. Step 3: Cross multiply
    1,072,646.88x = 1,479,891.33 × 607,437.15
  4. Step 4: Simplify right side
    1,072,646.88x = 898,940,971,804.91
  5. Step 5: Solve for x
    x = 898,940,971,804.91/1,072,646.88
  6. Step 6: Final answer
    x = 838,058.63

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Double scale
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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.