Home / 1,208,293.16-1,811,307.35-409,015.40

Finding the Fourth Proportional to 1,208,293.16, 1,811,307.35 and 409,015.40

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Solution

The fourth proportional to 1,208,293.16, 1,811,307.35 and 409,015.40 is: 613,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,293.16 : 1,811,307.35 = 409,015.40 : x
  2. Step 2: Convert to fraction form
    1,208,293.16/1,811,307.35 = 409,015.40/x
  3. Step 3: Cross multiply
    1,208,293.16x = 1,811,307.35 × 409,015.40
  4. Step 4: Simplify right side
    1,208,293.16x = 740,852,589,181.58
  5. Step 5: Solve for x
    x = 740,852,589,181.58/1,208,293.16
  6. Step 6: Final answer
    x = 613,139.77

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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.