Home / 1,133,307.53-1,691,669.56-998,790.65

Finding the Fourth Proportional to 1,133,307.53, 1,691,669.56 and 998,790.65

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Solution

The fourth proportional to 1,133,307.53, 1,691,669.56 and 998,790.65 is: 1,490,878.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,307.53 : 1,691,669.56 = 998,790.65 : x
  2. Step 2: Convert to fraction form
    1,133,307.53/1,691,669.56 = 998,790.65/x
  3. Step 3: Cross multiply
    1,133,307.53x = 1,691,669.56 × 998,790.65
  4. Step 4: Simplify right side
    1,133,307.53x = 1,689,623,739,417.61
  5. Step 5: Solve for x
    x = 1,689,623,739,417.61/1,133,307.53
  6. Step 6: Final answer
    x = 1,490,878.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.