Home / 1,005,678.40-1,387,813.44-546,786.40

Finding the Fourth Proportional to 1,005,678.40, 1,387,813.44 and 546,786.40

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Solution

The fourth proportional to 1,005,678.40, 1,387,813.44 and 546,786.40 is: 754,552.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,678.40 : 1,387,813.44 = 546,786.40 : x
  2. Step 2: Convert to fraction form
    1,005,678.40/1,387,813.44 = 546,786.40/x
  3. Step 3: Cross multiply
    1,005,678.40x = 1,387,813.44 × 546,786.40
  4. Step 4: Simplify right side
    1,005,678.40x = 758,837,514,729.22
  5. Step 5: Solve for x
    x = 758,837,514,729.22/1,005,678.40
  6. Step 6: Final answer
    x = 754,552.86

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Double scale
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1.5x scale

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.