Home / 1,005,844.86-1,388,023.67-570,291.51

Finding the Fourth Proportional to 1,005,844.86, 1,388,023.67 and 570,291.51

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Solution

The fourth proportional to 1,005,844.86, 1,388,023.67 and 570,291.51 is: 786,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,844.86 : 1,388,023.67 = 570,291.51 : x
  2. Step 2: Convert to fraction form
    1,005,844.86/1,388,023.67 = 570,291.51/x
  3. Step 3: Cross multiply
    1,005,844.86x = 1,388,023.67 × 570,291.51
  4. Step 4: Simplify right side
    1,005,844.86x = 791,578,114,680.04
  5. Step 5: Solve for x
    x = 791,578,114,680.04/1,005,844.86
  6. Step 6: Final answer
    x = 786,978.34

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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.