Home / 1,697,871.28-2,343,234.24-972,815.16

Finding the Fourth Proportional to 1,697,871.28, 2,343,234.24 and 972,815.16

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Solution

The fourth proportional to 1,697,871.28, 2,343,234.24 and 972,815.16 is: 1,342,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,871.28 : 2,343,234.24 = 972,815.16 : x
  2. Step 2: Convert to fraction form
    1,697,871.28/2,343,234.24 = 972,815.16/x
  3. Step 3: Cross multiply
    1,697,871.28x = 2,343,234.24 × 972,815.16
  4. Step 4: Simplify right side
    1,697,871.28x = 2,279,533,792,103.08
  5. Step 5: Solve for x
    x = 2,279,533,792,103.08/1,697,871.28
  6. Step 6: Final answer
    x = 1,342,583.40

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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.