Home / 1,462,445.86-2,018,168.39-817,868.62

Finding the Fourth Proportional to 1,462,445.86, 2,018,168.39 and 817,868.62

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Solution

The fourth proportional to 1,462,445.86, 2,018,168.39 and 817,868.62 is: 1,128,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,445.86 : 2,018,168.39 = 817,868.62 : x
  2. Step 2: Convert to fraction form
    1,462,445.86/2,018,168.39 = 817,868.62/x
  3. Step 3: Cross multiply
    1,462,445.86x = 2,018,168.39 × 817,868.62
  4. Step 4: Simplify right side
    1,462,445.86x = 1,650,596,585,966.08
  5. Step 5: Solve for x
    x = 1,650,596,585,966.08/1,462,445.86
  6. Step 6: Final answer
    x = 1,128,654.83

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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.