Home / 1,319,947.70-1,979,921.55-433,483.70

Finding the Fourth Proportional to 1,319,947.70, 1,979,921.55 and 433,483.70

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Solution

The fourth proportional to 1,319,947.70, 1,979,921.55 and 433,483.70 is: 650,225.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,947.70 : 1,979,921.55 = 433,483.70 : x
  2. Step 2: Convert to fraction form
    1,319,947.70/1,979,921.55 = 433,483.70/x
  3. Step 3: Cross multiply
    1,319,947.70x = 1,979,921.55 × 433,483.70
  4. Step 4: Simplify right side
    1,319,947.70x = 858,263,719,203.74
  5. Step 5: Solve for x
    x = 858,263,719,203.74/1,319,947.70
  6. Step 6: Final answer
    x = 650,225.55

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Similar ratio
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1.5x scale

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.