Home / 1,112,596.32-1,668,157.08-402,531.96

Finding the Fourth Proportional to 1,112,596.32, 1,668,157.08 and 402,531.96

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Solution

The fourth proportional to 1,112,596.32, 1,668,157.08 and 402,531.96 is: 603,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,596.32 : 1,668,157.08 = 402,531.96 : x
  2. Step 2: Convert to fraction form
    1,112,596.32/1,668,157.08 = 402,531.96/x
  3. Step 3: Cross multiply
    1,112,596.32x = 1,668,157.08 × 402,531.96
  4. Step 4: Simplify right side
    1,112,596.32x = 671,486,539,000.28
  5. Step 5: Solve for x
    x = 671,486,539,000.28/1,112,596.32
  6. Step 6: Final answer
    x = 603,531.15

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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.