Home / 909,538.91-1,365,254.63-669,923.36

Finding the Fourth Proportional to 909,538.91, 1,365,254.63 and 669,923.36

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Solution

The fourth proportional to 909,538.91, 1,365,254.63 and 669,923.36 is: 1,005,582.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,538.91 : 1,365,254.63 = 669,923.36 : x
  2. Step 2: Convert to fraction form
    909,538.91/1,365,254.63 = 669,923.36/x
  3. Step 3: Cross multiply
    909,538.91x = 1,365,254.63 × 669,923.36
  4. Step 4: Simplify right side
    909,538.91x = 914,615,958,809.27
  5. Step 5: Solve for x
    x = 914,615,958,809.27/909,538.91
  6. Step 6: Final answer
    x = 1,005,582.01

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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.