Home / 972,005.55-1,458,008.33-909,019.95

Finding the Fourth Proportional to 972,005.55, 1,458,008.33 and 909,019.95

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Solution

The fourth proportional to 972,005.55, 1,458,008.33 and 909,019.95 is: 1,363,529.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,005.55 : 1,458,008.33 = 909,019.95 : x
  2. Step 2: Convert to fraction form
    972,005.55/1,458,008.33 = 909,019.95/x
  3. Step 3: Cross multiply
    972,005.55x = 1,458,008.33 × 909,019.95
  4. Step 4: Simplify right side
    972,005.55x = 1,325,358,654,691.08
  5. Step 5: Solve for x
    x = 1,325,358,654,691.08/972,005.55
  6. Step 6: Final answer
    x = 1,363,529.93

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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.