Home / 1,073,018.93-1,480,894.85-643,535.33

Finding the Fourth Proportional to 1,073,018.93, 1,480,894.85 and 643,535.33

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Solution

The fourth proportional to 1,073,018.93, 1,480,894.85 and 643,535.33 is: 888,155.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,018.93 : 1,480,894.85 = 643,535.33 : x
  2. Step 2: Convert to fraction form
    1,073,018.93/1,480,894.85 = 643,535.33/x
  3. Step 3: Cross multiply
    1,073,018.93x = 1,480,894.85 × 643,535.33
  4. Step 4: Simplify right side
    1,073,018.93x = 953,008,150,194.42
  5. Step 5: Solve for x
    x = 953,008,150,194.42/1,073,018.93
  6. Step 6: Final answer
    x = 888,155.96

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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.