Home / 1,124,713.80-1,687,289.40-326,021.40

Finding the Fourth Proportional to 1,124,713.80, 1,687,289.40 and 326,021.40

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Solution

The fourth proportional to 1,124,713.80, 1,687,289.40 and 326,021.40 is: 489,095.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,713.80 : 1,687,289.40 = 326,021.40 : x
  2. Step 2: Convert to fraction form
    1,124,713.80/1,687,289.40 = 326,021.40/x
  3. Step 3: Cross multiply
    1,124,713.80x = 1,687,289.40 × 326,021.40
  4. Step 4: Simplify right side
    1,124,713.80x = 550,092,452,393.16
  5. Step 5: Solve for x
    x = 550,092,452,393.16/1,124,713.80
  6. Step 6: Final answer
    x = 489,095.49

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Double scale
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1.5x scale

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.