Home / 1,249,121.37-1,872,870.13-491,037.04

Finding the Fourth Proportional to 1,249,121.37, 1,872,870.13 and 491,037.04

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Solution

The fourth proportional to 1,249,121.37, 1,872,870.13 and 491,037.04 is: 736,236.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,121.37 : 1,872,870.13 = 491,037.04 : x
  2. Step 2: Convert to fraction form
    1,249,121.37/1,872,870.13 = 491,037.04/x
  3. Step 3: Cross multiply
    1,249,121.37x = 1,872,870.13 × 491,037.04
  4. Step 4: Simplify right side
    1,249,121.37x = 919,648,604,939.62
  5. Step 5: Solve for x
    x = 919,648,604,939.62/1,249,121.37
  6. Step 6: Final answer
    x = 736,236.39

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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.