Home / 1,140,206.96-1,710,806.48-714,717.80

Finding the Fourth Proportional to 1,140,206.96, 1,710,806.48 and 714,717.80

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Solution

The fourth proportional to 1,140,206.96, 1,710,806.48 and 714,717.80 is: 1,072,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,206.96 : 1,710,806.48 = 714,717.80 : x
  2. Step 2: Convert to fraction form
    1,140,206.96/1,710,806.48 = 714,717.80/x
  3. Step 3: Cross multiply
    1,140,206.96x = 1,710,806.48 × 714,717.80
  4. Step 4: Simplify right side
    1,140,206.96x = 1,222,743,843,611.34
  5. Step 5: Solve for x
    x = 1,222,743,843,611.34/1,140,206.96
  6. Step 6: Final answer
    x = 1,072,387.63

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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.