Home / 1,009,278.20-1,392,835.02-579,644.48

Finding the Fourth Proportional to 1,009,278.20, 1,392,835.02 and 579,644.48

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Solution

The fourth proportional to 1,009,278.20, 1,392,835.02 and 579,644.48 is: 799,927.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,278.20 : 1,392,835.02 = 579,644.48 : x
  2. Step 2: Convert to fraction form
    1,009,278.20/1,392,835.02 = 579,644.48/x
  3. Step 3: Cross multiply
    1,009,278.20x = 1,392,835.02 × 579,644.48
  4. Step 4: Simplify right side
    1,009,278.20x = 807,349,130,893.69
  5. Step 5: Solve for x
    x = 807,349,130,893.69/1,009,278.20
  6. Step 6: Final answer
    x = 799,927.25

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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.