Home / 1,078,956.45-1,488,045.74-649,156.28

Finding the Fourth Proportional to 1,078,956.45, 1,488,045.74 and 649,156.28

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Solution

The fourth proportional to 1,078,956.45, 1,488,045.74 and 649,156.28 is: 895,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,956.45 : 1,488,045.74 = 649,156.28 : x
  2. Step 2: Convert to fraction form
    1,078,956.45/1,488,045.74 = 649,156.28/x
  3. Step 3: Cross multiply
    1,078,956.45x = 1,488,045.74 × 649,156.28
  4. Step 4: Simplify right side
    1,078,956.45x = 965,974,226,362.24
  5. Step 5: Solve for x
    x = 965,974,226,362.24/1,078,956.45
  6. Step 6: Final answer
    x = 895,285.65

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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.