Home / 1,125,852.62-1,688,763.78-272,931.62

Finding the Fourth Proportional to 1,125,852.62, 1,688,763.78 and 272,931.62

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Solution

The fourth proportional to 1,125,852.62, 1,688,763.78 and 272,931.62 is: 409,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,852.62 : 1,688,763.78 = 272,931.62 : x
  2. Step 2: Convert to fraction form
    1,125,852.62/1,688,763.78 = 272,931.62/x
  3. Step 3: Cross multiply
    1,125,852.62x = 1,688,763.78 × 272,931.62
  4. Step 4: Simplify right side
    1,125,852.62x = 460,917,034,272.72
  5. Step 5: Solve for x
    x = 460,917,034,272.72/1,125,852.62
  6. Step 6: Final answer
    x = 409,393.76

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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.