Home / 1,370,126.60-2,051,253.30-838,685.60

Finding the Fourth Proportional to 1,370,126.60, 2,051,253.30 and 838,685.60

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Solution

The fourth proportional to 1,370,126.60, 2,051,253.30 and 838,685.60 is: 1,255,618.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,126.60 : 2,051,253.30 = 838,685.60 : x
  2. Step 2: Convert to fraction form
    1,370,126.60/2,051,253.30 = 838,685.60/x
  3. Step 3: Cross multiply
    1,370,126.60x = 2,051,253.30 × 838,685.60
  4. Step 4: Simplify right side
    1,370,126.60x = 1,720,356,604,662.48
  5. Step 5: Solve for x
    x = 1,720,356,604,662.48/1,370,126.60
  6. Step 6: Final answer
    x = 1,255,618.72

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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.