Home / 1,432,545.01-2,148,583.89-421,430.59

Finding the Fourth Proportional to 1,432,545.01, 2,148,583.89 and 421,430.59

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Solution

The fourth proportional to 1,432,545.01, 2,148,583.89 and 421,430.59 is: 632,077.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,545.01 : 2,148,583.89 = 421,430.59 : x
  2. Step 2: Convert to fraction form
    1,432,545.01/2,148,583.89 = 421,430.59/x
  3. Step 3: Cross multiply
    1,432,545.01x = 2,148,583.89 × 421,430.59
  4. Step 4: Simplify right side
    1,432,545.01x = 905,478,976,427.20
  5. Step 5: Solve for x
    x = 905,478,976,427.20/1,432,545.01
  6. Step 6: Final answer
    x = 632,077.16

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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.