Home / 991,925.52-1,487,327.94-907,288.56

Finding the Fourth Proportional to 991,925.52, 1,487,327.94 and 907,288.56

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Solution

The fourth proportional to 991,925.52, 1,487,327.94 and 907,288.56 is: 1,360,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,925.52 : 1,487,327.94 = 907,288.56 : x
  2. Step 2: Convert to fraction form
    991,925.52/1,487,327.94 = 907,288.56/x
  3. Step 3: Cross multiply
    991,925.52x = 1,487,327.94 × 907,288.56
  4. Step 4: Simplify right side
    991,925.52x = 1,349,435,624,930.37
  5. Step 5: Solve for x
    x = 1,349,435,624,930.37/991,925.52
  6. Step 6: Final answer
    x = 1,360,420.31

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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.