Home / 1,247,098.88-1,870,186.40-448,165.12

Finding the Fourth Proportional to 1,247,098.88, 1,870,186.40 and 448,165.12

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Solution

The fourth proportional to 1,247,098.88, 1,870,186.40 and 448,165.12 is: 672,081.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,098.88 : 1,870,186.40 = 448,165.12 : x
  2. Step 2: Convert to fraction form
    1,247,098.88/1,870,186.40 = 448,165.12/x
  3. Step 3: Cross multiply
    1,247,098.88x = 1,870,186.40 × 448,165.12
  4. Step 4: Simplify right side
    1,247,098.88x = 838,152,312,378.37
  5. Step 5: Solve for x
    x = 838,152,312,378.37/1,247,098.88
  6. Step 6: Final answer
    x = 672,081.68

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Double scale
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1.5x scale

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.