Home / 1,102,294.70-1,521,127.65-618,880.22

Finding the Fourth Proportional to 1,102,294.70, 1,521,127.65 and 618,880.22

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Solution

The fourth proportional to 1,102,294.70, 1,521,127.65 and 618,880.22 is: 854,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,294.70 : 1,521,127.65 = 618,880.22 : x
  2. Step 2: Convert to fraction form
    1,102,294.70/1,521,127.65 = 618,880.22/x
  3. Step 3: Cross multiply
    1,102,294.70x = 1,521,127.65 × 618,880.22
  4. Step 4: Simplify right side
    1,102,294.70x = 941,395,819,377.65
  5. Step 5: Solve for x
    x = 941,395,819,377.65/1,102,294.70
  6. Step 6: Final answer
    x = 854,032.79

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1.5x scale

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.