Home / 1,016,358.57-1,521,874.58-715,208.67

Finding the Fourth Proportional to 1,016,358.57, 1,521,874.58 and 715,208.67

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Solution

The fourth proportional to 1,016,358.57, 1,521,874.58 and 715,208.67 is: 1,070,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,358.57 : 1,521,874.58 = 715,208.67 : x
  2. Step 2: Convert to fraction form
    1,016,358.57/1,521,874.58 = 715,208.67/x
  3. Step 3: Cross multiply
    1,016,358.57x = 1,521,874.58 × 715,208.67
  4. Step 4: Simplify right side
    1,016,358.57x = 1,088,457,890,692.57
  5. Step 5: Solve for x
    x = 1,088,457,890,692.57/1,016,358.57
  6. Step 6: Final answer
    x = 1,070,938.86

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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.