Home / 972,000.40-1,458,000.60-814,536.40

Finding the Fourth Proportional to 972,000.40, 1,458,000.60 and 814,536.40

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Solution

The fourth proportional to 972,000.40, 1,458,000.60 and 814,536.40 is: 1,221,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,000.40 : 1,458,000.60 = 814,536.40 : x
  2. Step 2: Convert to fraction form
    972,000.40/1,458,000.60 = 814,536.40/x
  3. Step 3: Cross multiply
    972,000.40x = 1,458,000.60 × 814,536.40
  4. Step 4: Simplify right side
    972,000.40x = 1,187,594,559,921.84
  5. Step 5: Solve for x
    x = 1,187,594,559,921.84/972,000.40
  6. Step 6: Final answer
    x = 1,221,804.60

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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.