Home / 1,399,834.70-2,095,815.45-1,258,117.10

Finding the Fourth Proportional to 1,399,834.70, 2,095,815.45 and 1,258,117.10

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Solution

The fourth proportional to 1,399,834.70, 2,095,815.45 and 1,258,117.10 is: 1,883,637.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,834.70 : 2,095,815.45 = 1,258,117.10 : x
  2. Step 2: Convert to fraction form
    1,399,834.70/2,095,815.45 = 1,258,117.10/x
  3. Step 3: Cross multiply
    1,399,834.70x = 2,095,815.45 × 1,258,117.10
  4. Step 4: Simplify right side
    1,399,834.70x = 2,636,781,256,089.20
  5. Step 5: Solve for x
    x = 2,636,781,256,089.20/1,399,834.70
  6. Step 6: Final answer
    x = 1,883,637.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.