Home / 1,041,578.76-1,562,368.14-988,390.92

Finding the Fourth Proportional to 1,041,578.76, 1,562,368.14 and 988,390.92

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Solution

The fourth proportional to 1,041,578.76, 1,562,368.14 and 988,390.92 is: 1,482,586.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,578.76 : 1,562,368.14 = 988,390.92 : x
  2. Step 2: Convert to fraction form
    1,041,578.76/1,562,368.14 = 988,390.92/x
  3. Step 3: Cross multiply
    1,041,578.76x = 1,562,368.14 × 988,390.92
  4. Step 4: Simplify right side
    1,041,578.76x = 1,544,230,483,273.29
  5. Step 5: Solve for x
    x = 1,544,230,483,273.29/1,041,578.76
  6. Step 6: Final answer
    x = 1,482,586.38

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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.