Home / 1,020,129.20-1,526,694.60-936,148.40

Finding the Fourth Proportional to 1,020,129.20, 1,526,694.60 and 936,148.40

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Solution

The fourth proportional to 1,020,129.20, 1,526,694.60 and 936,148.40 is: 1,401,011.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,129.20 : 1,526,694.60 = 936,148.40 : x
  2. Step 2: Convert to fraction form
    1,020,129.20/1,526,694.60 = 936,148.40/x
  3. Step 3: Cross multiply
    1,020,129.20x = 1,526,694.60 × 936,148.40
  4. Step 4: Simplify right side
    1,020,129.20x = 1,429,212,707,078.64
  5. Step 5: Solve for x
    x = 1,429,212,707,078.64/1,020,129.20
  6. Step 6: Final answer
    x = 1,401,011.47

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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.