Home / 1,358,139.20-2,038,130.40-883,668.80

Finding the Fourth Proportional to 1,358,139.20, 2,038,130.40 and 883,668.80

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Solution

The fourth proportional to 1,358,139.20, 2,038,130.40 and 883,668.80 is: 1,326,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,139.20 : 2,038,130.40 = 883,668.80 : x
  2. Step 2: Convert to fraction form
    1,358,139.20/2,038,130.40 = 883,668.80/x
  3. Step 3: Cross multiply
    1,358,139.20x = 2,038,130.40 × 883,668.80
  4. Step 4: Simplify right side
    1,358,139.20x = 1,801,032,244,811.52
  5. Step 5: Solve for x
    x = 1,801,032,244,811.52/1,358,139.20
  6. Step 6: Final answer
    x = 1,326,102.84

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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.