Home / 1,352,967.18-1,867,108.43-816,319.50

Finding the Fourth Proportional to 1,352,967.18, 1,867,108.43 and 816,319.50

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Solution

The fourth proportional to 1,352,967.18, 1,867,108.43 and 816,319.50 is: 1,126,529.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,967.18 : 1,867,108.43 = 816,319.50 : x
  2. Step 2: Convert to fraction form
    1,352,967.18/1,867,108.43 = 816,319.50/x
  3. Step 3: Cross multiply
    1,352,967.18x = 1,867,108.43 × 816,319.50
  4. Step 4: Simplify right side
    1,352,967.18x = 1,524,157,020,023.39
  5. Step 5: Solve for x
    x = 1,524,157,020,023.39/1,352,967.18
  6. Step 6: Final answer
    x = 1,126,529.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.