Home / 1,330,603.05-1,995,904.58-768,981.45

Finding the Fourth Proportional to 1,330,603.05, 1,995,904.58 and 768,981.45

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Solution

The fourth proportional to 1,330,603.05, 1,995,904.58 and 768,981.45 is: 1,153,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,603.05 : 1,995,904.58 = 768,981.45 : x
  2. Step 2: Convert to fraction form
    1,330,603.05/1,995,904.58 = 768,981.45/x
  3. Step 3: Cross multiply
    1,330,603.05x = 1,995,904.58 × 768,981.45
  4. Step 4: Simplify right side
    1,330,603.05x = 1,534,813,594,145.13
  5. Step 5: Solve for x
    x = 1,534,813,594,145.13/1,330,603.05
  6. Step 6: Final answer
    x = 1,153,472.18

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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.