Home / 1,690,607.21-2,333,031.99-916,256.85

Finding the Fourth Proportional to 1,690,607.21, 2,333,031.99 and 916,256.85

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Solution

The fourth proportional to 1,690,607.21, 2,333,031.99 and 916,256.85 is: 1,264,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,607.21 : 2,333,031.99 = 916,256.85 : x
  2. Step 2: Convert to fraction form
    1,690,607.21/2,333,031.99 = 916,256.85/x
  3. Step 3: Cross multiply
    1,690,607.21x = 2,333,031.99 × 916,256.85
  4. Step 4: Simplify right side
    1,690,607.21x = 2,137,656,542,106.63
  5. Step 5: Solve for x
    x = 2,137,656,542,106.63/1,690,607.21
  6. Step 6: Final answer
    x = 1,264,431.23

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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.