Home / 1,020,808.39-1,531,352.66-346,708.70

Finding the Fourth Proportional to 1,020,808.39, 1,531,352.66 and 346,708.70

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Solution

The fourth proportional to 1,020,808.39, 1,531,352.66 and 346,708.70 is: 520,110.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,808.39 : 1,531,352.66 = 346,708.70 : x
  2. Step 2: Convert to fraction form
    1,020,808.39/1,531,352.66 = 346,708.70/x
  3. Step 3: Cross multiply
    1,020,808.39x = 1,531,352.66 × 346,708.70
  4. Step 4: Simplify right side
    1,020,808.39x = 530,933,288,191.02
  5. Step 5: Solve for x
    x = 530,933,288,191.02/1,020,808.39
  6. Step 6: Final answer
    x = 520,110.62

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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.