Home / 1,071,419.42-1,478,461.08-635,761.69

Finding the Fourth Proportional to 1,071,419.42, 1,478,461.08 and 635,761.69

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Solution

The fourth proportional to 1,071,419.42, 1,478,461.08 and 635,761.69 is: 877,293.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,419.42 : 1,478,461.08 = 635,761.69 : x
  2. Step 2: Convert to fraction form
    1,071,419.42/1,478,461.08 = 635,761.69/x
  3. Step 3: Cross multiply
    1,071,419.42x = 1,478,461.08 × 635,761.69
  4. Step 4: Simplify right side
    1,071,419.42x = 939,948,908,739.77
  5. Step 5: Solve for x
    x = 939,948,908,739.77/1,071,419.42
  6. Step 6: Final answer
    x = 877,293.14

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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.