Home / 1,762,313.60-2,644,345.20-697,390.40

Finding the Fourth Proportional to 1,762,313.60, 2,644,345.20 and 697,390.40

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Solution

The fourth proportional to 1,762,313.60, 2,644,345.20 and 697,390.40 is: 1,046,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,313.60 : 2,644,345.20 = 697,390.40 : x
  2. Step 2: Convert to fraction form
    1,762,313.60/2,644,345.20 = 697,390.40/x
  3. Step 3: Cross multiply
    1,762,313.60x = 2,644,345.20 × 697,390.40
  4. Step 4: Simplify right side
    1,762,313.60x = 1,844,140,956,766.08
  5. Step 5: Solve for x
    x = 1,844,140,956,766.08/1,762,313.60
  6. Step 6: Final answer
    x = 1,046,431.78

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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.