Home / 1,088,734.87-1,502,538.20-653,168.58

Finding the Fourth Proportional to 1,088,734.87, 1,502,538.20 and 653,168.58

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Solution

The fourth proportional to 1,088,734.87, 1,502,538.20 and 653,168.58 is: 901,423.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,734.87 : 1,502,538.20 = 653,168.58 : x
  2. Step 2: Convert to fraction form
    1,088,734.87/1,502,538.20 = 653,168.58/x
  3. Step 3: Cross multiply
    1,088,734.87x = 1,502,538.20 × 653,168.58
  4. Step 4: Simplify right side
    1,088,734.87x = 981,410,742,489.76
  5. Step 5: Solve for x
    x = 981,410,742,489.76/1,088,734.87
  6. Step 6: Final answer
    x = 901,423.08

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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.