Home / 1,338,125.55-2,006,117.88-698,108.10

Finding the Fourth Proportional to 1,338,125.55, 2,006,117.88 and 698,108.10

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Solution

The fourth proportional to 1,338,125.55, 2,006,117.88 and 698,108.10 is: 1,046,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,125.55 : 2,006,117.88 = 698,108.10 : x
  2. Step 2: Convert to fraction form
    1,338,125.55/2,006,117.88 = 698,108.10/x
  3. Step 3: Cross multiply
    1,338,125.55x = 2,006,117.88 × 698,108.10
  4. Step 4: Simplify right side
    1,338,125.55x = 1,400,487,141,582.83
  5. Step 5: Solve for x
    x = 1,400,487,141,582.83/1,338,125.55
  6. Step 6: Final answer
    x = 1,046,603.69

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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.