Home / 1,138,812.84-1,708,217.76-465,210.72

Finding the Fourth Proportional to 1,138,812.84, 1,708,217.76 and 465,210.72

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Solution

The fourth proportional to 1,138,812.84, 1,708,217.76 and 465,210.72 is: 697,815.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,812.84 : 1,708,217.76 = 465,210.72 : x
  2. Step 2: Convert to fraction form
    1,138,812.84/1,708,217.76 = 465,210.72/x
  3. Step 3: Cross multiply
    1,138,812.84x = 1,708,217.76 × 465,210.72
  4. Step 4: Simplify right side
    1,138,812.84x = 794,681,214,046.39
  5. Step 5: Solve for x
    x = 794,681,214,046.39/1,138,812.84
  6. Step 6: Final answer
    x = 697,815.47

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1.5x scale

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.