Home / 1,487,855.81-2,053,465.34-907,415.85

Finding the Fourth Proportional to 1,487,855.81, 2,053,465.34 and 907,415.85

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Solution

The fourth proportional to 1,487,855.81, 2,053,465.34 and 907,415.85 is: 1,252,370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,855.81 : 2,053,465.34 = 907,415.85 : x
  2. Step 2: Convert to fraction form
    1,487,855.81/2,053,465.34 = 907,415.85/x
  3. Step 3: Cross multiply
    1,487,855.81x = 2,053,465.34 × 907,415.85
  4. Step 4: Simplify right side
    1,487,855.81x = 1,863,346,992,404.56
  5. Step 5: Solve for x
    x = 1,863,346,992,404.56/1,487,855.81
  6. Step 6: Final answer
    x = 1,252,370.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.