Home / 1,330,706.80-1,996,060.20-731,359.45

Finding the Fourth Proportional to 1,330,706.80, 1,996,060.20 and 731,359.45

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Solution

The fourth proportional to 1,330,706.80, 1,996,060.20 and 731,359.45 is: 1,097,039.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,706.80 : 1,996,060.20 = 731,359.45 : x
  2. Step 2: Convert to fraction form
    1,330,706.80/1,996,060.20 = 731,359.45/x
  3. Step 3: Cross multiply
    1,330,706.80x = 1,996,060.20 × 731,359.45
  4. Step 4: Simplify right side
    1,330,706.80x = 1,459,837,490,038.89
  5. Step 5: Solve for x
    x = 1,459,837,490,038.89/1,330,706.80
  6. Step 6: Final answer
    x = 1,097,039.18

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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.