Home / 972,001.30-1,458,001.95-912,903.70

Finding the Fourth Proportional to 972,001.30, 1,458,001.95 and 912,903.70

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Solution

The fourth proportional to 972,001.30, 1,458,001.95 and 912,903.70 is: 1,369,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,001.30 : 1,458,001.95 = 912,903.70 : x
  2. Step 2: Convert to fraction form
    972,001.30/1,458,001.95 = 912,903.70/x
  3. Step 3: Cross multiply
    972,001.30x = 1,458,001.95 × 912,903.70
  4. Step 4: Simplify right side
    972,001.30x = 1,331,015,374,762.21
  5. Step 5: Solve for x
    x = 1,331,015,374,762.21/972,001.30
  6. Step 6: Final answer
    x = 1,369,355.55

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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.