Home / 1,070,690.32-1,606,368.12-644,695.12

Finding the Fourth Proportional to 1,070,690.32, 1,606,368.12 and 644,695.12

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Solution

The fourth proportional to 1,070,690.32, 1,606,368.12 and 644,695.12 is: 967,242.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,690.32 : 1,606,368.12 = 644,695.12 : x
  2. Step 2: Convert to fraction form
    1,070,690.32/1,606,368.12 = 644,695.12/x
  3. Step 3: Cross multiply
    1,070,690.32x = 1,606,368.12 × 644,695.12
  4. Step 4: Simplify right side
    1,070,690.32x = 1,035,617,687,887.57
  5. Step 5: Solve for x
    x = 1,035,617,687,887.57/1,070,690.32
  6. Step 6: Final answer
    x = 967,242.97

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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.