Home / 1,197,021.50-1,796,345.55-487,178.71

Finding the Fourth Proportional to 1,197,021.50, 1,796,345.55 and 487,178.71

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Solution

The fourth proportional to 1,197,021.50, 1,796,345.55 and 487,178.71 is: 731,099.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,021.50 : 1,796,345.55 = 487,178.71 : x
  2. Step 2: Convert to fraction form
    1,197,021.50/1,796,345.55 = 487,178.71/x
  3. Step 3: Cross multiply
    1,197,021.50x = 1,796,345.55 × 487,178.71
  4. Step 4: Simplify right side
    1,197,021.50x = 875,141,307,763.24
  5. Step 5: Solve for x
    x = 875,141,307,763.24/1,197,021.50
  6. Step 6: Final answer
    x = 731,099.07

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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.