Home / 1,759,905.36-2,639,867.76-637,945.20

Finding the Fourth Proportional to 1,759,905.36, 2,639,867.76 and 637,945.20

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Solution

The fourth proportional to 1,759,905.36, 2,639,867.76 and 637,945.20 is: 956,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,905.36 : 2,639,867.76 = 637,945.20 : x
  2. Step 2: Convert to fraction form
    1,759,905.36/2,639,867.76 = 637,945.20/x
  3. Step 3: Cross multiply
    1,759,905.36x = 2,639,867.76 × 637,945.20
  4. Step 4: Simplify right side
    1,759,905.36x = 1,684,090,966,126.75
  5. Step 5: Solve for x
    x = 1,684,090,966,126.75/1,759,905.36
  6. Step 6: Final answer
    x = 956,921.32

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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.