Home / 1,369,123.26-1,888,811.55-916,560.06

Finding the Fourth Proportional to 1,369,123.26, 1,888,811.55 and 916,560.06

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Solution

The fourth proportional to 1,369,123.26, 1,888,811.55 and 916,560.06 is: 1,264,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,123.26 : 1,888,811.55 = 916,560.06 : x
  2. Step 2: Convert to fraction form
    1,369,123.26/1,888,811.55 = 916,560.06/x
  3. Step 3: Cross multiply
    1,369,123.26x = 1,888,811.55 × 916,560.06
  4. Step 4: Simplify right side
    1,369,123.26x = 1,731,209,227,596.69
  5. Step 5: Solve for x
    x = 1,731,209,227,596.69/1,369,123.26
  6. Step 6: Final answer
    x = 1,264,465.57

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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.