Home / 1,000,659.02-1,381,071.87-613,689.62

Finding the Fourth Proportional to 1,000,659.02, 1,381,071.87 and 613,689.62

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Solution

The fourth proportional to 1,000,659.02, 1,381,071.87 and 613,689.62 is: 846,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,659.02 : 1,381,071.87 = 613,689.62 : x
  2. Step 2: Convert to fraction form
    1,000,659.02/1,381,071.87 = 613,689.62/x
  3. Step 3: Cross multiply
    1,000,659.02x = 1,381,071.87 × 613,689.62
  4. Step 4: Simplify right side
    1,000,659.02x = 847,549,464,187.63
  5. Step 5: Solve for x
    x = 847,549,464,187.63/1,000,659.02
  6. Step 6: Final answer
    x = 846,991.28

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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.