Home / 1,533,149.90-2,115,746.91-888,943.77

Finding the Fourth Proportional to 1,533,149.90, 2,115,746.91 and 888,943.77

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Solution

The fourth proportional to 1,533,149.90, 2,115,746.91 and 888,943.77 is: 1,226,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,149.90 : 2,115,746.91 = 888,943.77 : x
  2. Step 2: Convert to fraction form
    1,533,149.90/2,115,746.91 = 888,943.77/x
  3. Step 3: Cross multiply
    1,533,149.90x = 2,115,746.91 × 888,943.77
  4. Step 4: Simplify right side
    1,533,149.90x = 1,880,780,034,541.25
  5. Step 5: Solve for x
    x = 1,880,780,034,541.25/1,533,149.90
  6. Step 6: Final answer
    x = 1,226,742.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.