Home / 1,429,018.14-1,972,040.10-775,644.18

Finding the Fourth Proportional to 1,429,018.14, 1,972,040.10 and 775,644.18

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Solution

The fourth proportional to 1,429,018.14, 1,972,040.10 and 775,644.18 is: 1,070,386.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,018.14 : 1,972,040.10 = 775,644.18 : x
  2. Step 2: Convert to fraction form
    1,429,018.14/1,972,040.10 = 775,644.18/x
  3. Step 3: Cross multiply
    1,429,018.14x = 1,972,040.10 × 775,644.18
  4. Step 4: Simplify right side
    1,429,018.14x = 1,529,601,426,291.62
  5. Step 5: Solve for x
    x = 1,529,601,426,291.62/1,429,018.14
  6. Step 6: Final answer
    x = 1,070,386.29

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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.