Home / 1,007,580.93-1,511,570.72-287,929.14

Finding the Fourth Proportional to 1,007,580.93, 1,511,570.72 and 287,929.14

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Solution

The fourth proportional to 1,007,580.93, 1,511,570.72 and 287,929.14 is: 431,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,580.93 : 1,511,570.72 = 287,929.14 : x
  2. Step 2: Convert to fraction form
    1,007,580.93/1,511,570.72 = 287,929.14/x
  3. Step 3: Cross multiply
    1,007,580.93x = 1,511,570.72 × 287,929.14
  4. Step 4: Simplify right side
    1,007,580.93x = 435,225,257,458.78
  5. Step 5: Solve for x
    x = 435,225,257,458.78/1,007,580.93
  6. Step 6: Final answer
    x = 431,950.67

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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.