Home / 1,007,491.06-1,511,436.02-287,838.89

Finding the Fourth Proportional to 1,007,491.06, 1,511,436.02 and 287,838.89

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Solution

The fourth proportional to 1,007,491.06, 1,511,436.02 and 287,838.89 is: 431,815.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,491.06 : 1,511,436.02 = 287,838.89 : x
  2. Step 2: Convert to fraction form
    1,007,491.06/1,511,436.02 = 287,838.89/x
  3. Step 3: Cross multiply
    1,007,491.06x = 1,511,436.02 × 287,838.89
  4. Step 4: Simplify right side
    1,007,491.06x = 435,050,066,302.82
  5. Step 5: Solve for x
    x = 435,050,066,302.82/1,007,491.06
  6. Step 6: Final answer
    x = 431,815.31

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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.