Home / 1,389,135.60-2,083,703.40-502,556.40

Finding the Fourth Proportional to 1,389,135.60, 2,083,703.40 and 502,556.40

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Solution

The fourth proportional to 1,389,135.60, 2,083,703.40 and 502,556.40 is: 753,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,135.60 : 2,083,703.40 = 502,556.40 : x
  2. Step 2: Convert to fraction form
    1,389,135.60/2,083,703.40 = 502,556.40/x
  3. Step 3: Cross multiply
    1,389,135.60x = 2,083,703.40 × 502,556.40
  4. Step 4: Simplify right side
    1,389,135.60x = 1,047,178,479,371.76
  5. Step 5: Solve for x
    x = 1,047,178,479,371.76/1,389,135.60
  6. Step 6: Final answer
    x = 753,834.60

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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.