Home / 1,332,420.87-1,838,628.92-788,462.03

Finding the Fourth Proportional to 1,332,420.87, 1,838,628.92 and 788,462.03

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Solution

The fourth proportional to 1,332,420.87, 1,838,628.92 and 788,462.03 is: 1,088,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,420.87 : 1,838,628.92 = 788,462.03 : x
  2. Step 2: Convert to fraction form
    1,332,420.87/1,838,628.92 = 788,462.03/x
  3. Step 3: Cross multiply
    1,332,420.87x = 1,838,628.92 × 788,462.03
  4. Step 4: Simplify right side
    1,332,420.87x = 1,449,689,097,247.64
  5. Step 5: Solve for x
    x = 1,449,689,097,247.64/1,332,420.87
  6. Step 6: Final answer
    x = 1,088,011.40

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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.