Home / 1,261,263-1,890,319.92-630,357.24

Finding the Fourth Proportional to 1,261,263, 1,890,319.92 and 630,357.24

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Solution

The fourth proportional to 1,261,263, 1,890,319.92 and 630,357.24 is: 944,748.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,263 : 1,890,319.92 = 630,357.24 : x
  2. Step 2: Convert to fraction form
    1,261,263/1,890,319.92 = 630,357.24/x
  3. Step 3: Cross multiply
    1,261,263x = 1,890,319.92 × 630,357.24
  4. Step 4: Simplify right side
    1,261,263x = 1,191,576,847,488.22
  5. Step 5: Solve for x
    x = 1,191,576,847,488.22/1,261,263
  6. Step 6: Final answer
    x = 944,748.91

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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.