Home / 1,356,612.62-2,035,206.93-515,145.74

Finding the Fourth Proportional to 1,356,612.62, 2,035,206.93 and 515,145.74

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Solution

The fourth proportional to 1,356,612.62, 2,035,206.93 and 515,145.74 is: 772,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,612.62 : 2,035,206.93 = 515,145.74 : x
  2. Step 2: Convert to fraction form
    1,356,612.62/2,035,206.93 = 515,145.74/x
  3. Step 3: Cross multiply
    1,356,612.62x = 2,035,206.93 × 515,145.74
  4. Step 4: Simplify right side
    1,356,612.62x = 1,048,428,180,007.98
  5. Step 5: Solve for x
    x = 1,048,428,180,007.98/1,356,612.62
  6. Step 6: Final answer
    x = 772,827.97

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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.