Home / 1,163,748.15-1,605,831.40-647,380.02

Finding the Fourth Proportional to 1,163,748.15, 1,605,831.40 and 647,380.02

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Solution

The fourth proportional to 1,163,748.15, 1,605,831.40 and 647,380.02 is: 893,305.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,748.15 : 1,605,831.40 = 647,380.02 : x
  2. Step 2: Convert to fraction form
    1,163,748.15/1,605,831.40 = 647,380.02/x
  3. Step 3: Cross multiply
    1,163,748.15x = 1,605,831.40 × 647,380.02
  4. Step 4: Simplify right side
    1,163,748.15x = 1,039,583,167,984.08
  5. Step 5: Solve for x
    x = 1,039,583,167,984.08/1,163,748.15
  6. Step 6: Final answer
    x = 893,305.97

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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.