Home / 1,140,580.32-1,573,836.04-631,281.48

Finding the Fourth Proportional to 1,140,580.32, 1,573,836.04 and 631,281.48

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Solution

The fourth proportional to 1,140,580.32, 1,573,836.04 and 631,281.48 is: 871,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,580.32 : 1,573,836.04 = 631,281.48 : x
  2. Step 2: Convert to fraction form
    1,140,580.32/1,573,836.04 = 631,281.48/x
  3. Step 3: Cross multiply
    1,140,580.32x = 1,573,836.04 × 631,281.48
  4. Step 4: Simplify right side
    1,140,580.32x = 993,533,544,608.54
  5. Step 5: Solve for x
    x = 993,533,544,608.54/1,140,580.32
  6. Step 6: Final answer
    x = 871,077.23

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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.