Home / 1,712,350.78-2,363,020.23-987,199.90

Finding the Fourth Proportional to 1,712,350.78, 2,363,020.23 and 987,199.90

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Solution

The fourth proportional to 1,712,350.78, 2,363,020.23 and 987,199.90 is: 1,362,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,350.78 : 2,363,020.23 = 987,199.90 : x
  2. Step 2: Convert to fraction form
    1,712,350.78/2,363,020.23 = 987,199.90/x
  3. Step 3: Cross multiply
    1,712,350.78x = 2,363,020.23 × 987,199.90
  4. Step 4: Simplify right side
    1,712,350.78x = 2,332,773,334,753.98
  5. Step 5: Solve for x
    x = 2,332,773,334,753.98/1,712,350.78
  6. Step 6: Final answer
    x = 1,362,322.11

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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.