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Finding the Fourth Proportional to 1,050,731.60, 1,573,764.60 and 910,763.60

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Solution

The fourth proportional to 1,050,731.60, 1,573,764.60 and 910,763.60 is: 1,364,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,731.60 : 1,573,764.60 = 910,763.60 : x
  2. Step 2: Convert to fraction form
    1,050,731.60/1,573,764.60 = 910,763.60/x
  3. Step 3: Cross multiply
    1,050,731.60x = 1,573,764.60 × 910,763.60
  4. Step 4: Simplify right side
    1,050,731.60x = 1,433,327,512,648.56
  5. Step 5: Solve for x
    x = 1,433,327,512,648.56/1,050,731.60
  6. Step 6: Final answer
    x = 1,364,123.35

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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.