Home / 1,009,707.28-1,393,400.04-550,831.64

Finding the Fourth Proportional to 1,009,707.28, 1,393,400.04 and 550,831.64

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Solution

The fourth proportional to 1,009,707.28, 1,393,400.04 and 550,831.64 is: 760,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,707.28 : 1,393,400.04 = 550,831.64 : x
  2. Step 2: Convert to fraction form
    1,009,707.28/1,393,400.04 = 550,831.64/x
  3. Step 3: Cross multiply
    1,009,707.28x = 1,393,400.04 × 550,831.64
  4. Step 4: Simplify right side
    1,009,707.28x = 767,528,829,209.27
  5. Step 5: Solve for x
    x = 767,528,829,209.27/1,009,707.28
  6. Step 6: Final answer
    x = 760,149.84

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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.