Home / 1,302,747.30-1,955,870.55-831,521.70

Finding the Fourth Proportional to 1,302,747.30, 1,955,870.55 and 831,521.70

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Solution

The fourth proportional to 1,302,747.30, 1,955,870.55 and 831,521.70 is: 1,248,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,747.30 : 1,955,870.55 = 831,521.70 : x
  2. Step 2: Convert to fraction form
    1,302,747.30/1,955,870.55 = 831,521.70/x
  3. Step 3: Cross multiply
    1,302,747.30x = 1,955,870.55 × 831,521.70
  4. Step 4: Simplify right side
    1,302,747.30x = 1,626,348,804,715.94
  5. Step 5: Solve for x
    x = 1,626,348,804,715.94/1,302,747.30
  6. Step 6: Final answer
    x = 1,248,399.29

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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.