Home / 1,345,918-2,019,258.36-547,772.40

Finding the Fourth Proportional to 1,345,918, 2,019,258.36 and 547,772.40

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Solution

The fourth proportional to 1,345,918, 2,019,258.36 and 547,772.40 is: 821,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,918 : 2,019,258.36 = 547,772.40 : x
  2. Step 2: Convert to fraction form
    1,345,918/2,019,258.36 = 547,772.40/x
  3. Step 3: Cross multiply
    1,345,918x = 2,019,258.36 × 547,772.40
  4. Step 4: Simplify right side
    1,345,918x = 1,106,093,998,077.26
  5. Step 5: Solve for x
    x = 1,106,093,998,077.26/1,345,918
  6. Step 6: Final answer
    x = 821,813.81

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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.