Home / 1,115,364.60-1,539,204.73-631,962.47

Finding the Fourth Proportional to 1,115,364.60, 1,539,204.73 and 631,962.47

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Solution

The fourth proportional to 1,115,364.60, 1,539,204.73 and 631,962.47 is: 872,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,364.60 : 1,539,204.73 = 631,962.47 : x
  2. Step 2: Convert to fraction form
    1,115,364.60/1,539,204.73 = 631,962.47/x
  3. Step 3: Cross multiply
    1,115,364.60x = 1,539,204.73 × 631,962.47
  4. Step 4: Simplify right side
    1,115,364.60x = 972,719,625,274.59
  5. Step 5: Solve for x
    x = 972,719,625,274.59/1,115,364.60
  6. Step 6: Final answer
    x = 872,109.11

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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.