Home / 1,159,129.76-1,739,106-519,383.20

Finding the Fourth Proportional to 1,159,129.76, 1,739,106 and 519,383.20

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Solution

The fourth proportional to 1,159,129.76, 1,739,106 and 519,383.20 is: 779,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,129.76 : 1,739,106 = 519,383.20 : x
  2. Step 2: Convert to fraction form
    1,159,129.76/1,739,106 = 519,383.20/x
  3. Step 3: Cross multiply
    1,159,129.76x = 1,739,106 × 519,383.20
  4. Step 4: Simplify right side
    1,159,129.76x = 903,262,439,419.20
  5. Step 5: Solve for x
    x = 903,262,439,419.20/1,159,129.76
  6. Step 6: Final answer
    x = 779,259.12

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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.