Home / 1,381,535.19-2,071,581.08-434,651.67

Finding the Fourth Proportional to 1,381,535.19, 2,071,581.08 and 434,651.67

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Solution

The fourth proportional to 1,381,535.19, 2,071,581.08 and 434,651.67 is: 651,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,535.19 : 2,071,581.08 = 434,651.67 : x
  2. Step 2: Convert to fraction form
    1,381,535.19/2,071,581.08 = 434,651.67/x
  3. Step 3: Cross multiply
    1,381,535.19x = 2,071,581.08 × 434,651.67
  4. Step 4: Simplify right side
    1,381,535.19x = 900,416,173,789.15
  5. Step 5: Solve for x
    x = 900,416,173,789.15/1,381,535.19
  6. Step 6: Final answer
    x = 651,750.44

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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.