Home / 918,891.69-1,267,884.72-536,844.66

Finding the Fourth Proportional to 918,891.69, 1,267,884.72 and 536,844.66

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Solution

The fourth proportional to 918,891.69, 1,267,884.72 and 536,844.66 is: 740,737.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,891.69 : 1,267,884.72 = 536,844.66 : x
  2. Step 2: Convert to fraction form
    918,891.69/1,267,884.72 = 536,844.66/x
  3. Step 3: Cross multiply
    918,891.69x = 1,267,884.72 × 536,844.66
  4. Step 4: Simplify right side
    918,891.69x = 680,657,141,427.60
  5. Step 5: Solve for x
    x = 680,657,141,427.60/918,891.69
  6. Step 6: Final answer
    x = 740,737.07

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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.