Home / 1,887,561.12-2,831,711.76-750,111.32

Finding the Fourth Proportional to 1,887,561.12, 2,831,711.76 and 750,111.32

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Solution

The fourth proportional to 1,887,561.12, 2,831,711.76 and 750,111.32 is: 1,125,314.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,561.12 : 2,831,711.76 = 750,111.32 : x
  2. Step 2: Convert to fraction form
    1,887,561.12/2,831,711.76 = 750,111.32/x
  3. Step 3: Cross multiply
    1,887,561.12x = 2,831,711.76 × 750,111.32
  4. Step 4: Simplify right side
    1,887,561.12x = 2,124,099,046,153.12
  5. Step 5: Solve for x
    x = 2,124,099,046,153.12/1,887,561.12
  6. Step 6: Final answer
    x = 1,125,314.05

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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.