Home / 1,313,894.70-1,971,498.15-745,712.10

Finding the Fourth Proportional to 1,313,894.70, 1,971,498.15 and 745,712.10

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Solution

The fourth proportional to 1,313,894.70, 1,971,498.15 and 745,712.10 is: 1,118,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,894.70 : 1,971,498.15 = 745,712.10 : x
  2. Step 2: Convert to fraction form
    1,313,894.70/1,971,498.15 = 745,712.10/x
  3. Step 3: Cross multiply
    1,313,894.70x = 1,971,498.15 × 745,712.10
  4. Step 4: Simplify right side
    1,313,894.70x = 1,470,170,025,582.62
  5. Step 5: Solve for x
    x = 1,470,170,025,582.62/1,313,894.70
  6. Step 6: Final answer
    x = 1,118,940.53

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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.