Home / 1,688,215.47-2,329,520.41-963,019.94

Finding the Fourth Proportional to 1,688,215.47, 2,329,520.41 and 963,019.94

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Solution

The fourth proportional to 1,688,215.47, 2,329,520.41 and 963,019.94 is: 1,328,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,215.47 : 2,329,520.41 = 963,019.94 : x
  2. Step 2: Convert to fraction form
    1,688,215.47/2,329,520.41 = 963,019.94/x
  3. Step 3: Cross multiply
    1,688,215.47x = 2,329,520.41 × 963,019.94
  4. Step 4: Simplify right side
    1,688,215.47x = 2,243,374,595,023.15
  5. Step 5: Solve for x
    x = 2,243,374,595,023.15/1,688,215.47
  6. Step 6: Final answer
    x = 1,328,843.76

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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.