Home / 1,007,008.13-1,389,701.21-620,046.83

Finding the Fourth Proportional to 1,007,008.13, 1,389,701.21 and 620,046.83

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Solution

The fourth proportional to 1,007,008.13, 1,389,701.21 and 620,046.83 is: 855,683.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,008.13 : 1,389,701.21 = 620,046.83 : x
  2. Step 2: Convert to fraction form
    1,007,008.13/1,389,701.21 = 620,046.83/x
  3. Step 3: Cross multiply
    1,007,008.13x = 1,389,701.21 × 620,046.83
  4. Step 4: Simplify right side
    1,007,008.13x = 861,679,830,281.68
  5. Step 5: Solve for x
    x = 861,679,830,281.68/1,007,008.13
  6. Step 6: Final answer
    x = 855,683.09

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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.