Home / 972,003.30-1,458,004.95-912,905.70

Finding the Fourth Proportional to 972,003.30, 1,458,004.95 and 912,905.70

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Solution

The fourth proportional to 972,003.30, 1,458,004.95 and 912,905.70 is: 1,369,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,003.30 : 1,458,004.95 = 912,905.70 : x
  2. Step 2: Convert to fraction form
    972,003.30/1,458,004.95 = 912,905.70/x
  3. Step 3: Cross multiply
    972,003.30x = 1,458,004.95 × 912,905.70
  4. Step 4: Simplify right side
    972,003.30x = 1,331,021,029,483.21
  5. Step 5: Solve for x
    x = 1,331,021,029,483.21/972,003.30
  6. Step 6: Final answer
    x = 1,369,358.55

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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.