Home / 1,712,278.55-2,362,938.50-987,122.81

Finding the Fourth Proportional to 1,712,278.55, 2,362,938.50 and 987,122.81

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Solution

The fourth proportional to 1,712,278.55, 2,362,938.50 and 987,122.81 is: 1,362,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,278.55 : 2,362,938.50 = 987,122.81 : x
  2. Step 2: Convert to fraction form
    1,712,278.55/2,362,938.50 = 987,122.81/x
  3. Step 3: Cross multiply
    1,712,278.55x = 2,362,938.50 × 987,122.81
  4. Step 4: Simplify right side
    1,712,278.55x = 2,332,510,491,977.19
  5. Step 5: Solve for x
    x = 2,332,510,491,977.19/1,712,278.55
  6. Step 6: Final answer
    x = 1,362,226.08

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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.