Home / 1,073,180.49-1,480,666.08-643,303.77

Finding the Fourth Proportional to 1,073,180.49, 1,480,666.08 and 643,303.77

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Solution

The fourth proportional to 1,073,180.49, 1,480,666.08 and 643,303.77 is: 887,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,180.49 : 1,480,666.08 = 643,303.77 : x
  2. Step 2: Convert to fraction form
    1,073,180.49/1,480,666.08 = 643,303.77/x
  3. Step 3: Cross multiply
    1,073,180.49x = 1,480,666.08 × 643,303.77
  4. Step 4: Simplify right side
    1,073,180.49x = 952,518,071,375.12
  5. Step 5: Solve for x
    x = 952,518,071,375.12/1,073,180.49
  6. Step 6: Final answer
    x = 887,565.59

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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.