Home / 1,091,455.67-1,637,547.87-484,160.21

Finding the Fourth Proportional to 1,091,455.67, 1,637,547.87 and 484,160.21

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Solution

The fourth proportional to 1,091,455.67, 1,637,547.87 and 484,160.21 is: 726,401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,455.67 : 1,637,547.87 = 484,160.21 : x
  2. Step 2: Convert to fraction form
    1,091,455.67/1,637,547.87 = 484,160.21/x
  3. Step 3: Cross multiply
    1,091,455.67x = 1,637,547.87 × 484,160.21
  4. Step 4: Simplify right side
    1,091,455.67x = 792,835,520,392.92
  5. Step 5: Solve for x
    x = 792,835,520,392.92/1,091,455.67
  6. Step 6: Final answer
    x = 726,401.94

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Double scale
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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.