Home / 1,342,226.02-1,852,351.64-769,303.21

Finding the Fourth Proportional to 1,342,226.02, 1,852,351.64 and 769,303.21

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Solution

The fourth proportional to 1,342,226.02, 1,852,351.64 and 769,303.21 is: 1,061,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,226.02 : 1,852,351.64 = 769,303.21 : x
  2. Step 2: Convert to fraction form
    1,342,226.02/1,852,351.64 = 769,303.21/x
  3. Step 3: Cross multiply
    1,342,226.02x = 1,852,351.64 × 769,303.21
  4. Step 4: Simplify right side
    1,342,226.02x = 1,425,020,058,854.25
  5. Step 5: Solve for x
    x = 1,425,020,058,854.25/1,342,226.02
  6. Step 6: Final answer
    x = 1,061,684.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.