Home / 1,465,409.30-2,198,113.95-987,112.40

Finding the Fourth Proportional to 1,465,409.30, 2,198,113.95 and 987,112.40

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Solution

The fourth proportional to 1,465,409.30, 2,198,113.95 and 987,112.40 is: 1,480,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,409.30 : 2,198,113.95 = 987,112.40 : x
  2. Step 2: Convert to fraction form
    1,465,409.30/2,198,113.95 = 987,112.40/x
  3. Step 3: Cross multiply
    1,465,409.30x = 2,198,113.95 × 987,112.40
  4. Step 4: Simplify right side
    1,465,409.30x = 2,169,785,536,657.98
  5. Step 5: Solve for x
    x = 2,169,785,536,657.98/1,465,409.30
  6. Step 6: Final answer
    x = 1,480,668.60

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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.