Home / 1,125,321.48-1,688,130.45-366,896.61

Finding the Fourth Proportional to 1,125,321.48, 1,688,130.45 and 366,896.61

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Solution

The fourth proportional to 1,125,321.48, 1,688,130.45 and 366,896.61 is: 550,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,321.48 : 1,688,130.45 = 366,896.61 : x
  2. Step 2: Convert to fraction form
    1,125,321.48/1,688,130.45 = 366,896.61/x
  3. Step 3: Cross multiply
    1,125,321.48x = 1,688,130.45 × 366,896.61
  4. Step 4: Simplify right side
    1,125,321.48x = 619,369,339,342.77
  5. Step 5: Solve for x
    x = 619,369,339,342.77/1,125,321.48
  6. Step 6: Final answer
    x = 550,393.24

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Double scale
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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.