Home / 1,148,640.24-1,585,088.28-639,329.52

Finding the Fourth Proportional to 1,148,640.24, 1,585,088.28 and 639,329.52

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Solution

The fourth proportional to 1,148,640.24, 1,585,088.28 and 639,329.52 is: 882,255.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,640.24 : 1,585,088.28 = 639,329.52 : x
  2. Step 2: Convert to fraction form
    1,148,640.24/1,585,088.28 = 639,329.52/x
  3. Step 3: Cross multiply
    1,148,640.24x = 1,585,088.28 × 639,329.52
  4. Step 4: Simplify right side
    1,148,640.24x = 1,013,393,729,210.03
  5. Step 5: Solve for x
    x = 1,013,393,729,210.03/1,148,640.24
  6. Step 6: Final answer
    x = 882,255.12

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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.