Home / 1,580,905.20-2,368,247.40-947,938.80

Finding the Fourth Proportional to 1,580,905.20, 2,368,247.40 and 947,938.80

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Solution

The fourth proportional to 1,580,905.20, 2,368,247.40 and 947,938.80 is: 1,420,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,905.20 : 2,368,247.40 = 947,938.80 : x
  2. Step 2: Convert to fraction form
    1,580,905.20/2,368,247.40 = 947,938.80/x
  3. Step 3: Cross multiply
    1,580,905.20x = 2,368,247.40 × 947,938.80
  4. Step 4: Simplify right side
    1,580,905.20x = 2,244,953,598,459.12
  5. Step 5: Solve for x
    x = 2,244,953,598,459.12/1,580,905.20
  6. Step 6: Final answer
    x = 1,420,043.15

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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.