Home / 1,370,119.60-2,051,242.80-838,678.60

Finding the Fourth Proportional to 1,370,119.60, 2,051,242.80 and 838,678.60

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Solution

The fourth proportional to 1,370,119.60, 2,051,242.80 and 838,678.60 is: 1,255,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,119.60 : 2,051,242.80 = 838,678.60 : x
  2. Step 2: Convert to fraction form
    1,370,119.60/2,051,242.80 = 838,678.60/x
  3. Step 3: Cross multiply
    1,370,119.60x = 2,051,242.80 × 838,678.60
  4. Step 4: Simplify right side
    1,370,119.60x = 1,720,333,439,764.08
  5. Step 5: Solve for x
    x = 1,720,333,439,764.08/1,370,119.60
  6. Step 6: Final answer
    x = 1,255,608.23

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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.