Home / 1,359,161.10-1,875,461.80-842,726.61

Finding the Fourth Proportional to 1,359,161.10, 1,875,461.80 and 842,726.61

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Solution

The fourth proportional to 1,359,161.10, 1,875,461.80 and 842,726.61 is: 1,162,850.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,161.10 : 1,875,461.80 = 842,726.61 : x
  2. Step 2: Convert to fraction form
    1,359,161.10/1,875,461.80 = 842,726.61/x
  3. Step 3: Cross multiply
    1,359,161.10x = 1,875,461.80 × 842,726.61
  4. Step 4: Simplify right side
    1,359,161.10x = 1,580,501,564,898.50
  5. Step 5: Solve for x
    x = 1,580,501,564,898.50/1,359,161.10
  6. Step 6: Final answer
    x = 1,162,850.79

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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.