Home / 972,969.81-1,458,270.24-688,740.91

Finding the Fourth Proportional to 972,969.81, 1,458,270.24 and 688,740.91

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Solution

The fourth proportional to 972,969.81, 1,458,270.24 and 688,740.91 is: 1,032,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,969.81 : 1,458,270.24 = 688,740.91 : x
  2. Step 2: Convert to fraction form
    972,969.81/1,458,270.24 = 688,740.91/x
  3. Step 3: Cross multiply
    972,969.81x = 1,458,270.24 × 688,740.91
  4. Step 4: Simplify right side
    972,969.81x = 1,004,370,365,895.06
  5. Step 5: Solve for x
    x = 1,004,370,365,895.06/972,969.81
  6. Step 6: Final answer
    x = 1,032,272.90

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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.