Home / 1,254,938.60-1,882,407.90-665,114.60

Finding the Fourth Proportional to 1,254,938.60, 1,882,407.90 and 665,114.60

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Solution

The fourth proportional to 1,254,938.60, 1,882,407.90 and 665,114.60 is: 997,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,938.60 : 1,882,407.90 = 665,114.60 : x
  2. Step 2: Convert to fraction form
    1,254,938.60/1,882,407.90 = 665,114.60/x
  3. Step 3: Cross multiply
    1,254,938.60x = 1,882,407.90 × 665,114.60
  4. Step 4: Simplify right side
    1,254,938.60x = 1,252,016,977,445.34
  5. Step 5: Solve for x
    x = 1,252,016,977,445.34/1,254,938.60
  6. Step 6: Final answer
    x = 997,671.90

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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.