Home / 1,605,340.45-2,215,260.57-880,038.30

Finding the Fourth Proportional to 1,605,340.45, 2,215,260.57 and 880,038.30

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Solution

The fourth proportional to 1,605,340.45, 2,215,260.57 and 880,038.30 is: 1,214,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,340.45 : 2,215,260.57 = 880,038.30 : x
  2. Step 2: Convert to fraction form
    1,605,340.45/2,215,260.57 = 880,038.30/x
  3. Step 3: Cross multiply
    1,605,340.45x = 2,215,260.57 × 880,038.30
  4. Step 4: Simplify right side
    1,605,340.45x = 1,949,514,146,079.83
  5. Step 5: Solve for x
    x = 1,949,514,146,079.83/1,605,340.45
  6. Step 6: Final answer
    x = 1,214,392.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.