Home / 1,005,931.70-1,508,897.55-816,974.90

Finding the Fourth Proportional to 1,005,931.70, 1,508,897.55 and 816,974.90

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Solution

The fourth proportional to 1,005,931.70, 1,508,897.55 and 816,974.90 is: 1,225,462.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,931.70 : 1,508,897.55 = 816,974.90 : x
  2. Step 2: Convert to fraction form
    1,005,931.70/1,508,897.55 = 816,974.90/x
  3. Step 3: Cross multiply
    1,005,931.70x = 1,508,897.55 × 816,974.90
  4. Step 4: Simplify right side
    1,005,931.70x = 1,232,731,425,021.50
  5. Step 5: Solve for x
    x = 1,232,731,425,021.50/1,005,931.70
  6. Step 6: Final answer
    x = 1,225,462.35

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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.