Home / 1,009,660.12-1,393,223.30-556,951.08

Finding the Fourth Proportional to 1,009,660.12, 1,393,223.30 and 556,951.08

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Solution

The fourth proportional to 1,009,660.12, 1,393,223.30 and 556,951.08 is: 768,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,660.12 : 1,393,223.30 = 556,951.08 : x
  2. Step 2: Convert to fraction form
    1,009,660.12/1,393,223.30 = 556,951.08/x
  3. Step 3: Cross multiply
    1,009,660.12x = 1,393,223.30 × 556,951.08
  4. Step 4: Simplify right side
    1,009,660.12x = 775,957,221,616.16
  5. Step 5: Solve for x
    x = 775,957,221,616.16/1,009,660.12
  6. Step 6: Final answer
    x = 768,533.10

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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.