Home / 1,330,302.70-1,994,141.85-655,831.90

Finding the Fourth Proportional to 1,330,302.70, 1,994,141.85 and 655,831.90

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Solution

The fourth proportional to 1,330,302.70, 1,994,141.85 and 655,831.90 is: 983,100.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,302.70 : 1,994,141.85 = 655,831.90 : x
  2. Step 2: Convert to fraction form
    1,330,302.70/1,994,141.85 = 655,831.90/x
  3. Step 3: Cross multiply
    1,330,302.70x = 1,994,141.85 × 655,831.90
  4. Step 4: Simplify right side
    1,330,302.70x = 1,307,821,838,355.02
  5. Step 5: Solve for x
    x = 1,307,821,838,355.02/1,330,302.70
  6. Step 6: Final answer
    x = 983,100.94

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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.