Home / 1,490,815.40-2,236,514.70-637,885.40

Finding the Fourth Proportional to 1,490,815.40, 2,236,514.70 and 637,885.40

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Solution

The fourth proportional to 1,490,815.40, 2,236,514.70 and 637,885.40 is: 956,952.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,815.40 : 2,236,514.70 = 637,885.40 : x
  2. Step 2: Convert to fraction form
    1,490,815.40/2,236,514.70 = 637,885.40/x
  3. Step 3: Cross multiply
    1,490,815.40x = 2,236,514.70 × 637,885.40
  4. Step 4: Simplify right side
    1,490,815.40x = 1,426,640,074,015.38
  5. Step 5: Solve for x
    x = 1,426,640,074,015.38/1,490,815.40
  6. Step 6: Final answer
    x = 956,952.87

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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.