Home / 1,689,042.17-2,331,045.74-963,999.70

Finding the Fourth Proportional to 1,689,042.17, 2,331,045.74 and 963,999.70

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Solution

The fourth proportional to 1,689,042.17, 2,331,045.74 and 963,999.70 is: 1,330,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,042.17 : 2,331,045.74 = 963,999.70 : x
  2. Step 2: Convert to fraction form
    1,689,042.17/2,331,045.74 = 963,999.70/x
  3. Step 3: Cross multiply
    1,689,042.17x = 2,331,045.74 × 963,999.70
  4. Step 4: Simplify right side
    1,689,042.17x = 2,247,127,390,628.66
  5. Step 5: Solve for x
    x = 2,247,127,390,628.66/1,689,042.17
  6. Step 6: Final answer
    x = 1,330,415.21

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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.