Home / 1,500,541.13-2,070,746.44-812,212.85

Finding the Fourth Proportional to 1,500,541.13, 2,070,746.44 and 812,212.85

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Solution

The fourth proportional to 1,500,541.13, 2,070,746.44 and 812,212.85 is: 1,120,853.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,541.13 : 2,070,746.44 = 812,212.85 : x
  2. Step 2: Convert to fraction form
    1,500,541.13/2,070,746.44 = 812,212.85/x
  3. Step 3: Cross multiply
    1,500,541.13x = 2,070,746.44 × 812,212.85
  4. Step 4: Simplify right side
    1,500,541.13x = 1,681,886,870,806.09
  5. Step 5: Solve for x
    x = 1,681,886,870,806.09/1,500,541.13
  6. Step 6: Final answer
    x = 1,120,853.56

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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.