Home / 1,285,880.19-1,774,572.27-734,644.10

Finding the Fourth Proportional to 1,285,880.19, 1,774,572.27 and 734,644.10

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Solution

The fourth proportional to 1,285,880.19, 1,774,572.27 and 734,644.10 is: 1,013,841.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,880.19 : 1,774,572.27 = 734,644.10 : x
  2. Step 2: Convert to fraction form
    1,285,880.19/1,774,572.27 = 734,644.10/x
  3. Step 3: Cross multiply
    1,285,880.19x = 1,774,572.27 × 734,644.10
  4. Step 4: Simplify right side
    1,285,880.19x = 1,303,679,049,860.62
  5. Step 5: Solve for x
    x = 1,303,679,049,860.62/1,285,880.19
  6. Step 6: Final answer
    x = 1,013,841.77

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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.