Home / 1,689,658-2,331,153.96-963,984.40

Finding the Fourth Proportional to 1,689,658, 2,331,153.96 and 963,984.40

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Solution

The fourth proportional to 1,689,658, 2,331,153.96 and 963,984.40 is: 1,329,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,658 : 2,331,153.96 = 963,984.40 : x
  2. Step 2: Convert to fraction form
    1,689,658/2,331,153.96 = 963,984.40/x
  3. Step 3: Cross multiply
    1,689,658x = 2,331,153.96 × 963,984.40
  4. Step 4: Simplify right side
    1,689,658x = 2,247,196,051,438.22
  5. Step 5: Solve for x
    x = 2,247,196,051,438.22/1,689,658
  6. Step 6: Final answer
    x = 1,329,970.95

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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.