Home / 1,432,554.71-2,148,092.59-421,545.28

Finding the Fourth Proportional to 1,432,554.71, 2,148,092.59 and 421,545.28

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Solution

The fourth proportional to 1,432,554.71, 2,148,092.59 and 421,545.28 is: 632,100.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,554.71 : 2,148,092.59 = 421,545.28 : x
  2. Step 2: Convert to fraction form
    1,432,554.71/2,148,092.59 = 421,545.28/x
  3. Step 3: Cross multiply
    1,432,554.71x = 2,148,092.59 × 421,545.28
  4. Step 4: Simplify right side
    1,432,554.71x = 905,518,280,463.53
  5. Step 5: Solve for x
    x = 905,518,280,463.53/1,432,554.71
  6. Step 6: Final answer
    x = 632,100.31

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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.