Home / 1,432,499.53-1,977,130.20-821,062.18

Finding the Fourth Proportional to 1,432,499.53, 1,977,130.20 and 821,062.18

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Solution

The fourth proportional to 1,432,499.53, 1,977,130.20 and 821,062.18 is: 1,133,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,499.53 : 1,977,130.20 = 821,062.18 : x
  2. Step 2: Convert to fraction form
    1,432,499.53/1,977,130.20 = 821,062.18/x
  3. Step 3: Cross multiply
    1,432,499.53x = 1,977,130.20 × 821,062.18
  4. Step 4: Simplify right side
    1,432,499.53x = 1,623,346,832,155.84
  5. Step 5: Solve for x
    x = 1,623,346,832,155.84/1,432,499.53
  6. Step 6: Final answer
    x = 1,133,226.78

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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.