Home / 1,129,260.61-1,692,395.76-828,332.15

Finding the Fourth Proportional to 1,129,260.61, 1,692,395.76 and 828,332.15

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Solution

The fourth proportional to 1,129,260.61, 1,692,395.76 and 828,332.15 is: 1,241,401.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,260.61 : 1,692,395.76 = 828,332.15 : x
  2. Step 2: Convert to fraction form
    1,129,260.61/1,692,395.76 = 828,332.15/x
  3. Step 3: Cross multiply
    1,129,260.61x = 1,692,395.76 × 828,332.15
  4. Step 4: Simplify right side
    1,129,260.61x = 1,401,865,818,531.68
  5. Step 5: Solve for x
    x = 1,401,865,818,531.68/1,129,260.61
  6. Step 6: Final answer
    x = 1,241,401.51

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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.