Home / 1,089,345.60-1,503,584.64-767,151.36

Finding the Fourth Proportional to 1,089,345.60, 1,503,584.64 and 767,151.36

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Solution

The fourth proportional to 1,089,345.60, 1,503,584.64 and 767,151.36 is: 1,058,871.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,345.60 : 1,503,584.64 = 767,151.36 : x
  2. Step 2: Convert to fraction form
    1,089,345.60/1,503,584.64 = 767,151.36/x
  3. Step 3: Cross multiply
    1,089,345.60x = 1,503,584.64 × 767,151.36
  4. Step 4: Simplify right side
    1,089,345.60x = 1,153,477,001,451.11
  5. Step 5: Solve for x
    x = 1,153,477,001,451.11/1,089,345.60
  6. Step 6: Final answer
    x = 1,058,871.49

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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.