Home / 1,505,389.62-2,077,443.93-817,062.47

Finding the Fourth Proportional to 1,505,389.62, 2,077,443.93 and 817,062.47

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Solution

The fourth proportional to 1,505,389.62, 2,077,443.93 and 817,062.47 is: 1,127,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,389.62 : 2,077,443.93 = 817,062.47 : x
  2. Step 2: Convert to fraction form
    1,505,389.62/2,077,443.93 = 817,062.47/x
  3. Step 3: Cross multiply
    1,505,389.62x = 2,077,443.93 × 817,062.47
  4. Step 4: Simplify right side
    1,505,389.62x = 1,697,401,458,345.09
  5. Step 5: Solve for x
    x = 1,697,401,458,345.09/1,505,389.62
  6. Step 6: Final answer
    x = 1,127,549.60

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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.