Home / 1,248,329.61-1,870,838.96-641,093.40

Finding the Fourth Proportional to 1,248,329.61, 1,870,838.96 and 641,093.40

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Solution

The fourth proportional to 1,248,329.61, 1,870,838.96 and 641,093.40 is: 960,789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,329.61 : 1,870,838.96 = 641,093.40 : x
  2. Step 2: Convert to fraction form
    1,248,329.61/1,870,838.96 = 641,093.40/x
  3. Step 3: Cross multiply
    1,248,329.61x = 1,870,838.96 × 641,093.40
  4. Step 4: Simplify right side
    1,248,329.61x = 1,199,382,506,513.40
  5. Step 5: Solve for x
    x = 1,199,382,506,513.40/1,248,329.61
  6. Step 6: Final answer
    x = 960,789.92

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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.