Home / 1,054,008.78-1,454,704.35-646,335

Finding the Fourth Proportional to 1,054,008.78, 1,454,704.35 and 646,335

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Solution

The fourth proportional to 1,054,008.78, 1,454,704.35 and 646,335 is: 892,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,008.78 : 1,454,704.35 = 646,335 : x
  2. Step 2: Convert to fraction form
    1,054,008.78/1,454,704.35 = 646,335/x
  3. Step 3: Cross multiply
    1,054,008.78x = 1,454,704.35 × 646,335
  4. Step 4: Simplify right side
    1,054,008.78x = 940,226,336,057.25
  5. Step 5: Solve for x
    x = 940,226,336,057.25/1,054,008.78
  6. Step 6: Final answer
    x = 892,047.92

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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.