Home / 1,565,740.50-2,160,612.70-868,014.39

Finding the Fourth Proportional to 1,565,740.50, 2,160,612.70 and 868,014.39

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Solution

The fourth proportional to 1,565,740.50, 2,160,612.70 and 868,014.39 is: 1,197,799.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,740.50 : 2,160,612.70 = 868,014.39 : x
  2. Step 2: Convert to fraction form
    1,565,740.50/2,160,612.70 = 868,014.39/x
  3. Step 3: Cross multiply
    1,565,740.50x = 2,160,612.70 × 868,014.39
  4. Step 4: Simplify right side
    1,565,740.50x = 1,875,442,920,749.01
  5. Step 5: Solve for x
    x = 1,875,442,920,749.01/1,565,740.50
  6. Step 6: Final answer
    x = 1,197,799.33

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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.