Home / 1,397,031.38-2,093,651.98-637,931.78

Finding the Fourth Proportional to 1,397,031.38, 2,093,651.98 and 637,931.78

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Solution

The fourth proportional to 1,397,031.38, 2,093,651.98 and 637,931.78 is: 956,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,031.38 : 2,093,651.98 = 637,931.78 : x
  2. Step 2: Convert to fraction form
    1,397,031.38/2,093,651.98 = 637,931.78/x
  3. Step 3: Cross multiply
    1,397,031.38x = 2,093,651.98 × 637,931.78
  4. Step 4: Simplify right side
    1,397,031.38x = 1,335,607,137,941.22
  5. Step 5: Solve for x
    x = 1,335,607,137,941.22/1,397,031.38
  6. Step 6: Final answer
    x = 956,032.31

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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.