Home / 1,217,458.76-1,823,098.77-730,838.07

Finding the Fourth Proportional to 1,217,458.76, 1,823,098.77 and 730,838.07

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Solution

The fourth proportional to 1,217,458.76, 1,823,098.77 and 730,838.07 is: 1,094,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,458.76 : 1,823,098.77 = 730,838.07 : x
  2. Step 2: Convert to fraction form
    1,217,458.76/1,823,098.77 = 730,838.07/x
  3. Step 3: Cross multiply
    1,217,458.76x = 1,823,098.77 × 730,838.07
  4. Step 4: Simplify right side
    1,217,458.76x = 1,332,389,986,486.17
  5. Step 5: Solve for x
    x = 1,332,389,986,486.17/1,217,458.76
  6. Step 6: Final answer
    x = 1,094,402.57

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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.