Home / 1,455,287.40-2,183,258.34-444,324.78

Finding the Fourth Proportional to 1,455,287.40, 2,183,258.34 and 444,324.78

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Solution

The fourth proportional to 1,455,287.40, 2,183,258.34 and 444,324.78 is: 666,587.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,287.40 : 2,183,258.34 = 444,324.78 : x
  2. Step 2: Convert to fraction form
    1,455,287.40/2,183,258.34 = 444,324.78/x
  3. Step 3: Cross multiply
    1,455,287.40x = 2,183,258.34 × 444,324.78
  4. Step 4: Simplify right side
    1,455,287.40x = 970,075,781,603.67
  5. Step 5: Solve for x
    x = 970,075,781,603.67/1,455,287.40
  6. Step 6: Final answer
    x = 666,587.08

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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.