Home / 1,432,677.29-2,148,276.40-421,668.23

Finding the Fourth Proportional to 1,432,677.29, 2,148,276.40 and 421,668.23

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Solution

The fourth proportional to 1,432,677.29, 2,148,276.40 and 421,668.23 is: 632,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,677.29 : 2,148,276.40 = 421,668.23 : x
  2. Step 2: Convert to fraction form
    1,432,677.29/2,148,276.40 = 421,668.23/x
  3. Step 3: Cross multiply
    1,432,677.29x = 2,148,276.40 × 421,668.23
  4. Step 4: Simplify right side
    1,432,677.29x = 905,859,895,343.22
  5. Step 5: Solve for x
    x = 905,859,895,343.22/1,432,677.29
  6. Step 6: Final answer
    x = 632,284.68

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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.