Home / 1,375,162.14-1,897,756.47-771,594.78

Finding the Fourth Proportional to 1,375,162.14, 1,897,756.47 and 771,594.78

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Solution

The fourth proportional to 1,375,162.14, 1,897,756.47 and 771,594.78 is: 1,064,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,162.14 : 1,897,756.47 = 771,594.78 : x
  2. Step 2: Convert to fraction form
    1,375,162.14/1,897,756.47 = 771,594.78/x
  3. Step 3: Cross multiply
    1,375,162.14x = 1,897,756.47 × 771,594.78
  4. Step 4: Simplify right side
    1,375,162.14x = 1,464,298,985,963.23
  5. Step 5: Solve for x
    x = 1,464,298,985,963.23/1,375,162.14
  6. Step 6: Final answer
    x = 1,064,819.15

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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.