Home / 1,006,991.80-1,510,487.70-342,143.80

Finding the Fourth Proportional to 1,006,991.80, 1,510,487.70 and 342,143.80

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Solution

The fourth proportional to 1,006,991.80, 1,510,487.70 and 342,143.80 is: 513,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,991.80 : 1,510,487.70 = 342,143.80 : x
  2. Step 2: Convert to fraction form
    1,006,991.80/1,510,487.70 = 342,143.80/x
  3. Step 3: Cross multiply
    1,006,991.80x = 1,510,487.70 × 342,143.80
  4. Step 4: Simplify right side
    1,006,991.80x = 516,804,001,531.26
  5. Step 5: Solve for x
    x = 516,804,001,531.26/1,006,991.80
  6. Step 6: Final answer
    x = 513,215.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.