Home / 1,009,921.53-1,393,690.95-557,212.53

Finding the Fourth Proportional to 1,009,921.53, 1,393,690.95 and 557,212.53

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Solution

The fourth proportional to 1,009,921.53, 1,393,690.95 and 557,212.53 is: 768,952.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,921.53 : 1,393,690.95 = 557,212.53 : x
  2. Step 2: Convert to fraction form
    1,009,921.53/1,393,690.95 = 557,212.53/x
  3. Step 3: Cross multiply
    1,009,921.53x = 1,393,690.95 × 557,212.53
  4. Step 4: Simplify right side
    1,009,921.53x = 776,582,060,287.60
  5. Step 5: Solve for x
    x = 776,582,060,287.60/1,009,921.53
  6. Step 6: Final answer
    x = 768,952.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.