Home / 1,106,735.40-1,660,103.10-686,831.40

Finding the Fourth Proportional to 1,106,735.40, 1,660,103.10 and 686,831.40

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Solution

The fourth proportional to 1,106,735.40, 1,660,103.10 and 686,831.40 is: 1,030,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,735.40 : 1,660,103.10 = 686,831.40 : x
  2. Step 2: Convert to fraction form
    1,106,735.40/1,660,103.10 = 686,831.40/x
  3. Step 3: Cross multiply
    1,106,735.40x = 1,660,103.10 × 686,831.40
  4. Step 4: Simplify right side
    1,106,735.40x = 1,140,210,936,317.34
  5. Step 5: Solve for x
    x = 1,140,210,936,317.34/1,106,735.40
  6. Step 6: Final answer
    x = 1,030,247.10

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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.