Home / 915,925.56-1,262,516.76-722,017.08

Finding the Fourth Proportional to 915,925.56, 1,262,516.76 and 722,017.08

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Solution

The fourth proportional to 915,925.56, 1,262,516.76 and 722,017.08 is: 995,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,925.56 : 1,262,516.76 = 722,017.08 : x
  2. Step 2: Convert to fraction form
    915,925.56/1,262,516.76 = 722,017.08/x
  3. Step 3: Cross multiply
    915,925.56x = 1,262,516.76 × 722,017.08
  4. Step 4: Simplify right side
    915,925.56x = 911,558,664,506.26
  5. Step 5: Solve for x
    x = 911,558,664,506.26/915,925.56
  6. Step 6: Final answer
    x = 995,232.26

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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.