Home / 1,289,696.04-1,779,639.12-745,749.72

Finding the Fourth Proportional to 1,289,696.04, 1,779,639.12 and 745,749.72

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Solution

The fourth proportional to 1,289,696.04, 1,779,639.12 and 745,749.72 is: 1,029,052.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,696.04 : 1,779,639.12 = 745,749.72 : x
  2. Step 2: Convert to fraction form
    1,289,696.04/1,779,639.12 = 745,749.72/x
  3. Step 3: Cross multiply
    1,289,696.04x = 1,779,639.12 × 745,749.72
  4. Step 4: Simplify right side
    1,289,696.04x = 1,327,165,375,441.05
  5. Step 5: Solve for x
    x = 1,327,165,375,441.05/1,289,696.04
  6. Step 6: Final answer
    x = 1,029,052.84

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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.