Home / 1,006,890.04-1,510,104.36-287,218.10

Finding the Fourth Proportional to 1,006,890.04, 1,510,104.36 and 287,218.10

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Solution

The fourth proportional to 1,006,890.04, 1,510,104.36 and 287,218.10 is: 430,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,890.04 : 1,510,104.36 = 287,218.10 : x
  2. Step 2: Convert to fraction form
    1,006,890.04/1,510,104.36 = 287,218.10/x
  3. Step 3: Cross multiply
    1,006,890.04x = 1,510,104.36 × 287,218.10
  4. Step 4: Simplify right side
    1,006,890.04x = 433,729,309,933.25
  5. Step 5: Solve for x
    x = 433,729,309,933.25/1,006,890.04
  6. Step 6: Final answer
    x = 430,761.35

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Double scale
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1.5x scale

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.