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Finding the Fourth Proportional to 1,112,407, 1,535,329.02 and 635,479

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Solution

The fourth proportional to 1,112,407, 1,535,329.02 and 635,479 is: 877,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,407 : 1,535,329.02 = 635,479 : x
  2. Step 2: Convert to fraction form
    1,112,407/1,535,329.02 = 635,479/x
  3. Step 3: Cross multiply
    1,112,407x = 1,535,329.02 × 635,479
  4. Step 4: Simplify right side
    1,112,407x = 975,669,350,300.58
  5. Step 5: Solve for x
    x = 975,669,350,300.58/1,112,407
  6. Step 6: Final answer
    x = 877,079.48

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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.