Home / 1,813,155-2,719,829.60-465,329.20

Finding the Fourth Proportional to 1,813,155, 2,719,829.60 and 465,329.20

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Solution

The fourth proportional to 1,813,155, 2,719,829.60 and 465,329.20 is: 698,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,155 : 2,719,829.60 = 465,329.20 : x
  2. Step 2: Convert to fraction form
    1,813,155/2,719,829.60 = 465,329.20/x
  3. Step 3: Cross multiply
    1,813,155x = 2,719,829.60 × 465,329.20
  4. Step 4: Simplify right side
    1,813,155x = 1,265,616,131,904.32
  5. Step 5: Solve for x
    x = 1,265,616,131,904.32/1,813,155
  6. Step 6: Final answer
    x = 698,018.72

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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.