Home / 1,690,240.76-2,332,445.46-964,946.81

Finding the Fourth Proportional to 1,690,240.76, 2,332,445.46 and 964,946.81

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Solution

The fourth proportional to 1,690,240.76, 2,332,445.46 and 964,946.81 is: 1,331,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,240.76 : 2,332,445.46 = 964,946.81 : x
  2. Step 2: Convert to fraction form
    1,690,240.76/2,332,445.46 = 964,946.81/x
  3. Step 3: Cross multiply
    1,690,240.76x = 2,332,445.46 × 964,946.81
  4. Step 4: Simplify right side
    1,690,240.76x = 2,250,685,794,463.76
  5. Step 5: Solve for x
    x = 2,250,685,794,463.76/1,690,240.76
  6. Step 6: Final answer
    x = 1,331,577.05

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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.