Home / 1,330,603.35-1,995,412.95-432,074.40

Finding the Fourth Proportional to 1,330,603.35, 1,995,412.95 and 432,074.40

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Solution

The fourth proportional to 1,330,603.35, 1,995,412.95 and 432,074.40 is: 647,951.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,603.35 : 1,995,412.95 = 432,074.40 : x
  2. Step 2: Convert to fraction form
    1,330,603.35/1,995,412.95 = 432,074.40/x
  3. Step 3: Cross multiply
    1,330,603.35x = 1,995,412.95 × 432,074.40
  4. Step 4: Simplify right side
    1,330,603.35x = 862,166,853,123.48
  5. Step 5: Solve for x
    x = 862,166,853,123.48/1,330,603.35
  6. Step 6: Final answer
    x = 647,951.81

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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.