Home / 1,163,581.78-1,605,889.08-654,280.50

Finding the Fourth Proportional to 1,163,581.78, 1,605,889.08 and 654,280.50

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Solution

The fourth proportional to 1,163,581.78, 1,605,889.08 and 654,280.50 is: 902,989.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,581.78 : 1,605,889.08 = 654,280.50 : x
  2. Step 2: Convert to fraction form
    1,163,581.78/1,605,889.08 = 654,280.50/x
  3. Step 3: Cross multiply
    1,163,581.78x = 1,605,889.08 × 654,280.50
  4. Step 4: Simplify right side
    1,163,581.78x = 1,050,701,910,206.94
  5. Step 5: Solve for x
    x = 1,050,701,910,206.94/1,163,581.78
  6. Step 6: Final answer
    x = 902,989.31

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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.