Home / 1,240,354.13-1,857,818.61-879,430.95

Finding the Fourth Proportional to 1,240,354.13, 1,857,818.61 and 879,430.95

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Solution

The fourth proportional to 1,240,354.13, 1,857,818.61 and 879,430.95 is: 1,317,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,354.13 : 1,857,818.61 = 879,430.95 : x
  2. Step 2: Convert to fraction form
    1,240,354.13/1,857,818.61 = 879,430.95/x
  3. Step 3: Cross multiply
    1,240,354.13x = 1,857,818.61 × 879,430.95
  4. Step 4: Simplify right side
    1,240,354.13x = 1,633,823,185,119.98
  5. Step 5: Solve for x
    x = 1,633,823,185,119.98/1,240,354.13
  6. Step 6: Final answer
    x = 1,317,223.16

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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.