Home / 972,002.30-1,458,003.45-912,953.30

Finding the Fourth Proportional to 972,002.30, 1,458,003.45 and 912,953.30

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Solution

The fourth proportional to 972,002.30, 1,458,003.45 and 912,953.30 is: 1,369,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,002.30 : 1,458,003.45 = 912,953.30 : x
  2. Step 2: Convert to fraction form
    972,002.30/1,458,003.45 = 912,953.30/x
  3. Step 3: Cross multiply
    972,002.30x = 1,458,003.45 × 912,953.30
  4. Step 4: Simplify right side
    972,002.30x = 1,331,089,061,088.89
  5. Step 5: Solve for x
    x = 1,331,089,061,088.89/972,002.30
  6. Step 6: Final answer
    x = 1,369,429.95

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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.