Home / 1,438,203.32-1,984,631.34-793,628.60

Finding the Fourth Proportional to 1,438,203.32, 1,984,631.34 and 793,628.60

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Solution

The fourth proportional to 1,438,203.32, 1,984,631.34 and 793,628.60 is: 1,095,158.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,203.32 : 1,984,631.34 = 793,628.60 : x
  2. Step 2: Convert to fraction form
    1,438,203.32/1,984,631.34 = 793,628.60/x
  3. Step 3: Cross multiply
    1,438,203.32x = 1,984,631.34 × 793,628.60
  4. Step 4: Simplify right side
    1,438,203.32x = 1,575,060,191,880.32
  5. Step 5: Solve for x
    x = 1,575,060,191,880.32/1,438,203.32
  6. Step 6: Final answer
    x = 1,095,158.22

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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.