Home / 1,359,140.24-2,038,438.20-1,291,696.40

Finding the Fourth Proportional to 1,359,140.24, 2,038,438.20 and 1,291,696.40

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Solution

The fourth proportional to 1,359,140.24, 2,038,438.20 and 1,291,696.40 is: 1,937,285.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,140.24 : 2,038,438.20 = 1,291,696.40 : x
  2. Step 2: Convert to fraction form
    1,359,140.24/2,038,438.20 = 1,291,696.40/x
  3. Step 3: Cross multiply
    1,359,140.24x = 2,038,438.20 × 1,291,696.40
  4. Step 4: Simplify right side
    1,359,140.24x = 2,633,043,284,562.48
  5. Step 5: Solve for x
    x = 2,633,043,284,562.48/1,359,140.24
  6. Step 6: Final answer
    x = 1,937,285.95

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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.