Home / 1,199,336.12-1,807,095.93-990,776.29

Finding the Fourth Proportional to 1,199,336.12, 1,807,095.93 and 990,776.29

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Solution

The fourth proportional to 1,199,336.12, 1,807,095.93 and 990,776.29 is: 1,492,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,336.12 : 1,807,095.93 = 990,776.29 : x
  2. Step 2: Convert to fraction form
    1,199,336.12/1,807,095.93 = 990,776.29/x
  3. Step 3: Cross multiply
    1,199,336.12x = 1,807,095.93 × 990,776.29
  4. Step 4: Simplify right side
    1,199,336.12x = 1,790,427,796,681.76
  5. Step 5: Solve for x
    x = 1,790,427,796,681.76/1,199,336.12
  6. Step 6: Final answer
    x = 1,492,849.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.