Home / 1,536,484.02-2,120,349.69-857,420.34

Finding the Fourth Proportional to 1,536,484.02, 2,120,349.69 and 857,420.34

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Solution

The fourth proportional to 1,536,484.02, 2,120,349.69 and 857,420.34 is: 1,183,241.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,484.02 : 2,120,349.69 = 857,420.34 : x
  2. Step 2: Convert to fraction form
    1,536,484.02/2,120,349.69 = 857,420.34/x
  3. Step 3: Cross multiply
    1,536,484.02x = 2,120,349.69 × 857,420.34
  4. Step 4: Simplify right side
    1,536,484.02x = 1,818,030,952,118.69
  5. Step 5: Solve for x
    x = 1,818,030,952,118.69/1,536,484.02
  6. Step 6: Final answer
    x = 1,183,241.04

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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.