Home / 1,402,708.83-2,104,063.19-645,187.44

Finding the Fourth Proportional to 1,402,708.83, 2,104,063.19 and 645,187.44

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Solution

The fourth proportional to 1,402,708.83, 2,104,063.19 and 645,187.44 is: 967,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,708.83 : 2,104,063.19 = 645,187.44 : x
  2. Step 2: Convert to fraction form
    1,402,708.83/2,104,063.19 = 645,187.44/x
  3. Step 3: Cross multiply
    1,402,708.83x = 2,104,063.19 × 645,187.44
  4. Step 4: Simplify right side
    1,402,708.83x = 1,357,515,142,722.53
  5. Step 5: Solve for x
    x = 1,357,515,142,722.53/1,402,708.83
  6. Step 6: Final answer
    x = 967,781.13

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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.