Home / 1,012,369.62-1,397,347.30-630,169.50

Finding the Fourth Proportional to 1,012,369.62, 1,397,347.30 and 630,169.50

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Solution

The fourth proportional to 1,012,369.62, 1,397,347.30 and 630,169.50 is: 869,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,369.62 : 1,397,347.30 = 630,169.50 : x
  2. Step 2: Convert to fraction form
    1,012,369.62/1,397,347.30 = 630,169.50/x
  3. Step 3: Cross multiply
    1,012,369.62x = 1,397,347.30 × 630,169.50
  4. Step 4: Simplify right side
    1,012,369.62x = 880,565,649,367.35
  5. Step 5: Solve for x
    x = 880,565,649,367.35/1,012,369.62
  6. Step 6: Final answer
    x = 869,806.47

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1.5x scale

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.