Home / 1,112,432.22-1,668,814.89-402,626.33

Finding the Fourth Proportional to 1,112,432.22, 1,668,814.89 and 402,626.33

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Solution

The fourth proportional to 1,112,432.22, 1,668,814.89 and 402,626.33 is: 603,999.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,432.22 : 1,668,814.89 = 402,626.33 : x
  2. Step 2: Convert to fraction form
    1,112,432.22/1,668,814.89 = 402,626.33/x
  3. Step 3: Cross multiply
    1,112,432.22x = 1,668,814.89 × 402,626.33
  4. Step 4: Simplify right side
    1,112,432.22x = 671,908,817,162.91
  5. Step 5: Solve for x
    x = 671,908,817,162.91/1,112,432.22
  6. Step 6: Final answer
    x = 603,999.78

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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.