Home / 1,712,107.80-2,569,211.46-766,278.36

Finding the Fourth Proportional to 1,712,107.80, 2,569,211.46 and 766,278.36

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Solution

The fourth proportional to 1,712,107.80, 2,569,211.46 and 766,278.36 is: 1,149,887.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,107.80 : 2,569,211.46 = 766,278.36 : x
  2. Step 2: Convert to fraction form
    1,712,107.80/2,569,211.46 = 766,278.36/x
  3. Step 3: Cross multiply
    1,712,107.80x = 2,569,211.46 × 766,278.36
  4. Step 4: Simplify right side
    1,712,107.80x = 1,968,731,144,062.01
  5. Step 5: Solve for x
    x = 1,968,731,144,062.01/1,712,107.80
  6. Step 6: Final answer
    x = 1,149,887.38

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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.