Home / 1,528,940.36-2,280,510.28-1,327,678.04

Finding the Fourth Proportional to 1,528,940.36, 2,280,510.28 and 1,327,678.04

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Solution

The fourth proportional to 1,528,940.36, 2,280,510.28 and 1,327,678.04 is: 1,980,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,940.36 : 2,280,510.28 = 1,327,678.04 : x
  2. Step 2: Convert to fraction form
    1,528,940.36/2,280,510.28 = 1,327,678.04/x
  3. Step 3: Cross multiply
    1,528,940.36x = 2,280,510.28 × 1,327,678.04
  4. Step 4: Simplify right side
    1,528,940.36x = 3,027,783,418,750.25
  5. Step 5: Solve for x
    x = 3,027,783,418,750.25/1,528,940.36
  6. Step 6: Final answer
    x = 1,980,314.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.