Home / 1,109,681.68-1,531,360.20-626,348.24

Finding the Fourth Proportional to 1,109,681.68, 1,531,360.20 and 626,348.24

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Solution

The fourth proportional to 1,109,681.68, 1,531,360.20 and 626,348.24 is: 864,360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,681.68 : 1,531,360.20 = 626,348.24 : x
  2. Step 2: Convert to fraction form
    1,109,681.68/1,531,360.20 = 626,348.24/x
  3. Step 3: Cross multiply
    1,109,681.68x = 1,531,360.20 × 626,348.24
  4. Step 4: Simplify right side
    1,109,681.68x = 959,164,766,076.05
  5. Step 5: Solve for x
    x = 959,164,766,076.05/1,109,681.68
  6. Step 6: Final answer
    x = 864,360.28

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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.