Home / 1,440,666.40-2,161,373.20-766,193.08

Finding the Fourth Proportional to 1,440,666.40, 2,161,373.20 and 766,193.08

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Solution

The fourth proportional to 1,440,666.40, 2,161,373.20 and 766,193.08 is: 1,149,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,666.40 : 2,161,373.20 = 766,193.08 : x
  2. Step 2: Convert to fraction form
    1,440,666.40/2,161,373.20 = 766,193.08/x
  3. Step 3: Cross multiply
    1,440,666.40x = 2,161,373.20 × 766,193.08
  4. Step 4: Simplify right side
    1,440,666.40x = 1,656,029,189,137.46
  5. Step 5: Solve for x
    x = 1,656,029,189,137.46/1,440,666.40
  6. Step 6: Final answer
    x = 1,149,488.31

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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.