Home / 1,249,427.98-1,874,913.09-491,136.76

Finding the Fourth Proportional to 1,249,427.98, 1,874,913.09 and 491,136.76

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Solution

The fourth proportional to 1,249,427.98, 1,874,913.09 and 491,136.76 is: 737,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,427.98 : 1,874,913.09 = 491,136.76 : x
  2. Step 2: Convert to fraction form
    1,249,427.98/1,874,913.09 = 491,136.76/x
  3. Step 3: Cross multiply
    1,249,427.98x = 1,874,913.09 × 491,136.76
  4. Step 4: Simplify right side
    1,249,427.98x = 920,838,740,304.19
  5. Step 5: Solve for x
    x = 920,838,740,304.19/1,249,427.98
  6. Step 6: Final answer
    x = 737,008.26

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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.