Home / 1,298,018.95-1,947,029.92-338,473.71

Finding the Fourth Proportional to 1,298,018.95, 1,947,029.92 and 338,473.71

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Solution

The fourth proportional to 1,298,018.95, 1,947,029.92 and 338,473.71 is: 507,710.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,018.95 : 1,947,029.92 = 338,473.71 : x
  2. Step 2: Convert to fraction form
    1,298,018.95/1,947,029.92 = 338,473.71/x
  3. Step 3: Cross multiply
    1,298,018.95x = 1,947,029.92 × 338,473.71
  4. Step 4: Simplify right side
    1,298,018.95x = 659,018,439,657.22
  5. Step 5: Solve for x
    x = 659,018,439,657.22/1,298,018.95
  6. Step 6: Final answer
    x = 507,710.96

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Double scale
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Similar ratio
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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.