Home / 1,087,790.16-1,501,062.38-628,934.16

Finding the Fourth Proportional to 1,087,790.16, 1,501,062.38 and 628,934.16

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Solution

The fourth proportional to 1,087,790.16, 1,501,062.38 and 628,934.16 is: 867,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,790.16 : 1,501,062.38 = 628,934.16 : x
  2. Step 2: Convert to fraction form
    1,087,790.16/1,501,062.38 = 628,934.16/x
  3. Step 3: Cross multiply
    1,087,790.16x = 1,501,062.38 × 628,934.16
  4. Step 4: Simplify right side
    1,087,790.16x = 944,069,407,072.90
  5. Step 5: Solve for x
    x = 944,069,407,072.90/1,087,790.16
  6. Step 6: Final answer
    x = 867,878.24

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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.