Home / 1,312,930.84-1,810,089.72-984,849.24

Finding the Fourth Proportional to 1,312,930.84, 1,810,089.72 and 984,849.24

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Solution

The fourth proportional to 1,312,930.84, 1,810,089.72 and 984,849.24 is: 1,357,775.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,930.84 : 1,810,089.72 = 984,849.24 : x
  2. Step 2: Convert to fraction form
    1,312,930.84/1,810,089.72 = 984,849.24/x
  3. Step 3: Cross multiply
    1,312,930.84x = 1,810,089.72 × 984,849.24
  4. Step 4: Simplify right side
    1,312,930.84x = 1,782,665,485,073.81
  5. Step 5: Solve for x
    x = 1,782,665,485,073.81/1,312,930.84
  6. Step 6: Final answer
    x = 1,357,775.62

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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.