Home / 1,458,000.60-2,187,000.90-1,221,804.60

Finding the Fourth Proportional to 1,458,000.60, 2,187,000.90 and 1,221,804.60

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Solution

The fourth proportional to 1,458,000.60, 2,187,000.90 and 1,221,804.60 is: 1,832,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,000.60 : 2,187,000.90 = 1,221,804.60 : x
  2. Step 2: Convert to fraction form
    1,458,000.60/2,187,000.90 = 1,221,804.60/x
  3. Step 3: Cross multiply
    1,458,000.60x = 2,187,000.90 × 1,221,804.60
  4. Step 4: Simplify right side
    1,458,000.60x = 2,672,087,759,824.14
  5. Step 5: Solve for x
    x = 2,672,087,759,824.14/1,458,000.60
  6. Step 6: Final answer
    x = 1,832,706.90

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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.