Home / 1,458,006.10-2,187,009.15-820,276.90

Finding the Fourth Proportional to 1,458,006.10, 2,187,009.15 and 820,276.90

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Solution

The fourth proportional to 1,458,006.10, 2,187,009.15 and 820,276.90 is: 1,230,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,006.10 : 2,187,009.15 = 820,276.90 : x
  2. Step 2: Convert to fraction form
    1,458,006.10/2,187,009.15 = 820,276.90/x
  3. Step 3: Cross multiply
    1,458,006.10x = 2,187,009.15 × 820,276.90
  4. Step 4: Simplify right side
    1,458,006.10x = 1,793,953,085,833.64
  5. Step 5: Solve for x
    x = 1,793,953,085,833.64/1,458,006.10
  6. Step 6: Final answer
    x = 1,230,415.35

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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.