Home / 1,437,237.87-1,982,887.38-921,276.21

Finding the Fourth Proportional to 1,437,237.87, 1,982,887.38 and 921,276.21

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Solution

The fourth proportional to 1,437,237.87, 1,982,887.38 and 921,276.21 is: 1,271,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,237.87 : 1,982,887.38 = 921,276.21 : x
  2. Step 2: Convert to fraction form
    1,437,237.87/1,982,887.38 = 921,276.21/x
  3. Step 3: Cross multiply
    1,437,237.87x = 1,982,887.38 × 921,276.21
  4. Step 4: Simplify right side
    1,437,237.87x = 1,826,786,970,303.23
  5. Step 5: Solve for x
    x = 1,826,786,970,303.23/1,437,237.87
  6. Step 6: Final answer
    x = 1,271,040.10

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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.