Home / 1,071,313.08-1,478,407.87-587,886.31

Finding the Fourth Proportional to 1,071,313.08, 1,478,407.87 and 587,886.31

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Solution

The fourth proportional to 1,071,313.08, 1,478,407.87 and 587,886.31 is: 811,280.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,313.08 : 1,478,407.87 = 587,886.31 : x
  2. Step 2: Convert to fraction form
    1,071,313.08/1,478,407.87 = 587,886.31/x
  3. Step 3: Cross multiply
    1,071,313.08x = 1,478,407.87 × 587,886.31
  4. Step 4: Simplify right side
    1,071,313.08x = 869,135,742,203.52
  5. Step 5: Solve for x
    x = 869,135,742,203.52/1,071,313.08
  6. Step 6: Final answer
    x = 811,280.81

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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.