Home / 1,539,484.20-2,305,727.10-790,655.40

Finding the Fourth Proportional to 1,539,484.20, 2,305,727.10 and 790,655.40

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Solution

The fourth proportional to 1,539,484.20, 2,305,727.10 and 790,655.40 is: 1,184,185.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,484.20 : 2,305,727.10 = 790,655.40 : x
  2. Step 2: Convert to fraction form
    1,539,484.20/2,305,727.10 = 790,655.40/x
  3. Step 3: Cross multiply
    1,539,484.20x = 2,305,727.10 × 790,655.40
  4. Step 4: Simplify right side
    1,539,484.20x = 1,823,035,582,541.34
  5. Step 5: Solve for x
    x = 1,823,035,582,541.34/1,539,484.20
  6. Step 6: Final answer
    x = 1,184,185.96

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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.