Home / 1,036,717.51-1,554,971.10-278,460.45

Finding the Fourth Proportional to 1,036,717.51, 1,554,971.10 and 278,460.45

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Solution

The fourth proportional to 1,036,717.51, 1,554,971.10 and 278,460.45 is: 417,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,717.51 : 1,554,971.10 = 278,460.45 : x
  2. Step 2: Convert to fraction form
    1,036,717.51/1,554,971.10 = 278,460.45/x
  3. Step 3: Cross multiply
    1,036,717.51x = 1,554,971.10 × 278,460.45
  4. Step 4: Simplify right side
    1,036,717.51x = 432,997,952,243.00
  5. Step 5: Solve for x
    x = 432,997,952,243.00/1,036,717.51
  6. Step 6: Final answer
    x = 417,662.43

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Double scale
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1.5x scale

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.