Home / 1,369,461.60-2,050,255.80-838,020.60

Finding the Fourth Proportional to 1,369,461.60, 2,050,255.80 and 838,020.60

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Solution

The fourth proportional to 1,369,461.60, 2,050,255.80 and 838,020.60 is: 1,254,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,461.60 : 2,050,255.80 = 838,020.60 : x
  2. Step 2: Convert to fraction form
    1,369,461.60/2,050,255.80 = 838,020.60/x
  3. Step 3: Cross multiply
    1,369,461.60x = 2,050,255.80 × 838,020.60
  4. Step 4: Simplify right side
    1,369,461.60x = 1,718,156,595,669.48
  5. Step 5: Solve for x
    x = 1,718,156,595,669.48/1,369,461.60
  6. Step 6: Final answer
    x = 1,254,621.96

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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.