Home / 1,207,205.10-1,810,807.65-607,934.70

Finding the Fourth Proportional to 1,207,205.10, 1,810,807.65 and 607,934.70

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Solution

The fourth proportional to 1,207,205.10, 1,810,807.65 and 607,934.70 is: 911,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,205.10 : 1,810,807.65 = 607,934.70 : x
  2. Step 2: Convert to fraction form
    1,207,205.10/1,810,807.65 = 607,934.70/x
  3. Step 3: Cross multiply
    1,207,205.10x = 1,810,807.65 × 607,934.70
  4. Step 4: Simplify right side
    1,207,205.10x = 1,100,852,805,460.45
  5. Step 5: Solve for x
    x = 1,100,852,805,460.45/1,207,205.10
  6. Step 6: Final answer
    x = 911,902.05

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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.