Home / 1,000,302.46-1,500,451.47-772,928.70

Finding the Fourth Proportional to 1,000,302.46, 1,500,451.47 and 772,928.70

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Solution

The fourth proportional to 1,000,302.46, 1,500,451.47 and 772,928.70 is: 1,159,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,302.46 : 1,500,451.47 = 772,928.70 : x
  2. Step 2: Convert to fraction form
    1,000,302.46/1,500,451.47 = 772,928.70/x
  3. Step 3: Cross multiply
    1,000,302.46x = 1,500,451.47 × 772,928.70
  4. Step 4: Simplify right side
    1,000,302.46x = 1,159,742,004,120.19
  5. Step 5: Solve for x
    x = 1,159,742,004,120.19/1,000,302.46
  6. Step 6: Final answer
    x = 1,159,391.33

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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.