Home / 1,379,699.64-1,903,853.52-1,017,319.14

Finding the Fourth Proportional to 1,379,699.64, 1,903,853.52 and 1,017,319.14

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Solution

The fourth proportional to 1,379,699.64, 1,903,853.52 and 1,017,319.14 is: 1,403,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,699.64 : 1,903,853.52 = 1,017,319.14 : x
  2. Step 2: Convert to fraction form
    1,379,699.64/1,903,853.52 = 1,017,319.14/x
  3. Step 3: Cross multiply
    1,379,699.64x = 1,903,853.52 × 1,017,319.14
  4. Step 4: Simplify right side
    1,379,699.64x = 1,936,826,625,652.37
  5. Step 5: Solve for x
    x = 1,936,826,625,652.37/1,379,699.64
  6. Step 6: Final answer
    x = 1,403,803.10

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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.