Home / 1,237,938.68-1,857,442.53-669,720.02

Finding the Fourth Proportional to 1,237,938.68, 1,857,442.53 and 669,720.02

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Solution

The fourth proportional to 1,237,938.68, 1,857,442.53 and 669,720.02 is: 1,004,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,938.68 : 1,857,442.53 = 669,720.02 : x
  2. Step 2: Convert to fraction form
    1,237,938.68/1,857,442.53 = 669,720.02/x
  3. Step 3: Cross multiply
    1,237,938.68x = 1,857,442.53 × 669,720.02
  4. Step 4: Simplify right side
    1,237,938.68x = 1,243,966,448,340.45
  5. Step 5: Solve for x
    x = 1,243,966,448,340.45/1,237,938.68
  6. Step 6: Final answer
    x = 1,004,869.20

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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.