Home / 1,232,338.83-1,700,707.40-688,477.55

Finding the Fourth Proportional to 1,232,338.83, 1,700,707.40 and 688,477.55

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Solution

The fourth proportional to 1,232,338.83, 1,700,707.40 and 688,477.55 is: 950,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,338.83 : 1,700,707.40 = 688,477.55 : x
  2. Step 2: Convert to fraction form
    1,232,338.83/1,700,707.40 = 688,477.55/x
  3. Step 3: Cross multiply
    1,232,338.83x = 1,700,707.40 × 688,477.55
  4. Step 4: Simplify right side
    1,232,338.83x = 1,170,898,864,018.87
  5. Step 5: Solve for x
    x = 1,170,898,864,018.87/1,232,338.83
  6. Step 6: Final answer
    x = 950,143.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.