Home / 1,191,545.39-1,785,947.89-550,502.45

Finding the Fourth Proportional to 1,191,545.39, 1,785,947.89 and 550,502.45

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Solution

The fourth proportional to 1,191,545.39, 1,785,947.89 and 550,502.45 is: 825,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,545.39 : 1,785,947.89 = 550,502.45 : x
  2. Step 2: Convert to fraction form
    1,191,545.39/1,785,947.89 = 550,502.45/x
  3. Step 3: Cross multiply
    1,191,545.39x = 1,785,947.89 × 550,502.45
  4. Step 4: Simplify right side
    1,191,545.39x = 983,168,689,017.33
  5. Step 5: Solve for x
    x = 983,168,689,017.33/1,191,545.39
  6. Step 6: Final answer
    x = 825,120.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.