Home / 1,020,708.48-1,527,318.04-851,811.80

Finding the Fourth Proportional to 1,020,708.48, 1,527,318.04 and 851,811.80

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Solution

The fourth proportional to 1,020,708.48, 1,527,318.04 and 851,811.80 is: 1,274,592.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,708.48 : 1,527,318.04 = 851,811.80 : x
  2. Step 2: Convert to fraction form
    1,020,708.48/1,527,318.04 = 851,811.80/x
  3. Step 3: Cross multiply
    1,020,708.48x = 1,527,318.04 × 851,811.80
  4. Step 4: Simplify right side
    1,020,708.48x = 1,300,987,528,824.87
  5. Step 5: Solve for x
    x = 1,300,987,528,824.87/1,020,708.48
  6. Step 6: Final answer
    x = 1,274,592.65

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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.