Home / 1,427,319.40-2,136,831.90-1,385,847.40

Finding the Fourth Proportional to 1,427,319.40, 2,136,831.90 and 1,385,847.40

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Solution

The fourth proportional to 1,427,319.40, 2,136,831.90 and 1,385,847.40 is: 2,074,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,319.40 : 2,136,831.90 = 1,385,847.40 : x
  2. Step 2: Convert to fraction form
    1,427,319.40/2,136,831.90 = 1,385,847.40/x
  3. Step 3: Cross multiply
    1,427,319.40x = 2,136,831.90 × 1,385,847.40
  4. Step 4: Simplify right side
    1,427,319.40x = 2,961,322,932,852.06
  5. Step 5: Solve for x
    x = 2,961,322,932,852.06/1,427,319.40
  6. Step 6: Final answer
    x = 2,074,744.40

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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.