Home / 1,342,133.16-1,852,187.34-769,281.30

Finding the Fourth Proportional to 1,342,133.16, 1,852,187.34 and 769,281.30

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Solution

The fourth proportional to 1,342,133.16, 1,852,187.34 and 769,281.30 is: 1,061,633.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,133.16 : 1,852,187.34 = 769,281.30 : x
  2. Step 2: Convert to fraction form
    1,342,133.16/1,852,187.34 = 769,281.30/x
  3. Step 3: Cross multiply
    1,342,133.16x = 1,852,187.34 × 769,281.30
  4. Step 4: Simplify right side
    1,342,133.16x = 1,424,853,084,758.74
  5. Step 5: Solve for x
    x = 1,424,853,084,758.74/1,342,133.16
  6. Step 6: Final answer
    x = 1,061,633.17

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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.