Home / 1,134,712.80-1,565,989.20-651,434.40

Finding the Fourth Proportional to 1,134,712.80, 1,565,989.20 and 651,434.40

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Solution

The fourth proportional to 1,134,712.80, 1,565,989.20 and 651,434.40 is: 899,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,712.80 : 1,565,989.20 = 651,434.40 : x
  2. Step 2: Convert to fraction form
    1,134,712.80/1,565,989.20 = 651,434.40/x
  3. Step 3: Cross multiply
    1,134,712.80x = 1,565,989.20 × 651,434.40
  4. Step 4: Simplify right side
    1,134,712.80x = 1,020,139,234,908.48
  5. Step 5: Solve for x
    x = 1,020,139,234,908.48/1,134,712.80
  6. Step 6: Final answer
    x = 899,028.58

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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.