Home / 1,889,046.72-2,832,025.92-878,798.40

Finding the Fourth Proportional to 1,889,046.72, 2,832,025.92 and 878,798.40

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Solution

The fourth proportional to 1,889,046.72, 2,832,025.92 and 878,798.40 is: 1,317,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,046.72 : 2,832,025.92 = 878,798.40 : x
  2. Step 2: Convert to fraction form
    1,889,046.72/2,832,025.92 = 878,798.40/x
  3. Step 3: Cross multiply
    1,889,046.72x = 2,832,025.92 × 878,798.40
  4. Step 4: Simplify right side
    1,889,046.72x = 2,488,779,847,254.53
  5. Step 5: Solve for x
    x = 2,488,779,847,254.53/1,889,046.72
  6. Step 6: Final answer
    x = 1,317,479.25

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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.