Home / 1,312,182.88-1,810,946.24-803,221.60

Finding the Fourth Proportional to 1,312,182.88, 1,810,946.24 and 803,221.60

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Solution

The fourth proportional to 1,312,182.88, 1,810,946.24 and 803,221.60 is: 1,108,527.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,182.88 : 1,810,946.24 = 803,221.60 : x
  2. Step 2: Convert to fraction form
    1,312,182.88/1,810,946.24 = 803,221.60/x
  3. Step 3: Cross multiply
    1,312,182.88x = 1,810,946.24 × 803,221.60
  4. Step 4: Simplify right side
    1,312,182.88x = 1,454,591,136,406.78
  5. Step 5: Solve for x
    x = 1,454,591,136,406.78/1,312,182.88
  6. Step 6: Final answer
    x = 1,108,527.75

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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.