Home / 1,486,390.74-2,051,150.36-841,815.65

Finding the Fourth Proportional to 1,486,390.74, 2,051,150.36 and 841,815.65

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Solution

The fourth proportional to 1,486,390.74, 2,051,150.36 and 841,815.65 is: 1,161,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,390.74 : 2,051,150.36 = 841,815.65 : x
  2. Step 2: Convert to fraction form
    1,486,390.74/2,051,150.36 = 841,815.65/x
  3. Step 3: Cross multiply
    1,486,390.74x = 2,051,150.36 × 841,815.65
  4. Step 4: Simplify right side
    1,486,390.74x = 1,726,690,459,086.30
  5. Step 5: Solve for x
    x = 1,726,690,459,086.30/1,486,390.74
  6. Step 6: Final answer
    x = 1,161,666.59

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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.