Home / 1,365,152.78-2,048,511.59-555,387.77

Finding the Fourth Proportional to 1,365,152.78, 2,048,511.59 and 555,387.77

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Solution

The fourth proportional to 1,365,152.78, 2,048,511.59 and 555,387.77 is: 833,399.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,152.78 : 2,048,511.59 = 555,387.77 : x
  2. Step 2: Convert to fraction form
    1,365,152.78/2,048,511.59 = 555,387.77/x
  3. Step 3: Cross multiply
    1,365,152.78x = 2,048,511.59 × 555,387.77
  4. Step 4: Simplify right side
    1,365,152.78x = 1,137,718,270,769.76
  5. Step 5: Solve for x
    x = 1,137,718,270,769.76/1,365,152.78
  6. Step 6: Final answer
    x = 833,399.96

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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.