Home / 1,025,292.40-1,404,627.26-986,957.80

Finding the Fourth Proportional to 1,025,292.40, 1,404,627.26 and 986,957.80

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Solution

The fourth proportional to 1,025,292.40, 1,404,627.26 and 986,957.80 is: 1,352,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,292.40 : 1,404,627.26 = 986,957.80 : x
  2. Step 2: Convert to fraction form
    1,025,292.40/1,404,627.26 = 986,957.80/x
  3. Step 3: Cross multiply
    1,025,292.40x = 1,404,627.26 × 986,957.80
  4. Step 4: Simplify right side
    1,025,292.40x = 1,386,307,830,349.63
  5. Step 5: Solve for x
    x = 1,386,307,830,349.63/1,025,292.40
  6. Step 6: Final answer
    x = 1,352,109.73

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.