Home / 1,087,779.71-1,501,048-628,923.73

Finding the Fourth Proportional to 1,087,779.71, 1,501,048 and 628,923.73

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Solution

The fourth proportional to 1,087,779.71, 1,501,048 and 628,923.73 is: 867,863.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,779.71 : 1,501,048 = 628,923.73 : x
  2. Step 2: Convert to fraction form
    1,087,779.71/1,501,048 = 628,923.73/x
  3. Step 3: Cross multiply
    1,087,779.71x = 1,501,048 × 628,923.73
  4. Step 4: Simplify right side
    1,087,779.71x = 944,044,707,069.04
  5. Step 5: Solve for x
    x = 944,044,707,069.04/1,087,779.71
  6. Step 6: Final answer
    x = 867,863.87

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Double scale
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1.5x scale

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.