Home / 1,507,557.50-2,261,422.45-427,985.62

Finding the Fourth Proportional to 1,507,557.50, 2,261,422.45 and 427,985.62

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Solution

The fourth proportional to 1,507,557.50, 2,261,422.45 and 427,985.62 is: 642,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,557.50 : 2,261,422.45 = 427,985.62 : x
  2. Step 2: Convert to fraction form
    1,507,557.50/2,261,422.45 = 427,985.62/x
  3. Step 3: Cross multiply
    1,507,557.50x = 2,261,422.45 × 427,985.62
  4. Step 4: Simplify right side
    1,507,557.50x = 967,856,289,345.17
  5. Step 5: Solve for x
    x = 967,856,289,345.17/1,507,557.50
  6. Step 6: Final answer
    x = 642,002.90

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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.