Home / 1,470,691.40-2,208,110.70-910,819.40

Finding the Fourth Proportional to 1,470,691.40, 2,208,110.70 and 910,819.40

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Solution

The fourth proportional to 1,470,691.40, 2,208,110.70 and 910,819.40 is: 1,367,513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,691.40 : 2,208,110.70 = 910,819.40 : x
  2. Step 2: Convert to fraction form
    1,470,691.40/2,208,110.70 = 910,819.40/x
  3. Step 3: Cross multiply
    1,470,691.40x = 2,208,110.70 × 910,819.40
  4. Step 4: Simplify right side
    1,470,691.40x = 2,011,190,062,907.58
  5. Step 5: Solve for x
    x = 2,011,190,062,907.58/1,470,691.40
  6. Step 6: Final answer
    x = 1,367,513.31

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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.