Home / 1,852,320.40-2,783,146.20-1,178,724.40

Finding the Fourth Proportional to 1,852,320.40, 2,783,146.20 and 1,178,724.40

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Solution

The fourth proportional to 1,852,320.40, 2,783,146.20 and 1,178,724.40 is: 1,771,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852,320.40 : 2,783,146.20 = 1,178,724.40 : x
  2. Step 2: Convert to fraction form
    1,852,320.40/2,783,146.20 = 1,178,724.40/x
  3. Step 3: Cross multiply
    1,852,320.40x = 2,783,146.20 × 1,178,724.40
  4. Step 4: Simplify right side
    1,852,320.40x = 3,280,562,334,707.28
  5. Step 5: Solve for x
    x = 3,280,562,334,707.28/1,852,320.40
  6. Step 6: Final answer
    x = 1,771,055.56

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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.