Home / 1,709,963.40-2,564,945.10-447,918.60

Finding the Fourth Proportional to 1,709,963.40, 2,564,945.10 and 447,918.60

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Solution

The fourth proportional to 1,709,963.40, 2,564,945.10 and 447,918.60 is: 671,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,963.40 : 2,564,945.10 = 447,918.60 : x
  2. Step 2: Convert to fraction form
    1,709,963.40/2,564,945.10 = 447,918.60/x
  3. Step 3: Cross multiply
    1,709,963.40x = 2,564,945.10 × 447,918.60
  4. Step 4: Simplify right side
    1,709,963.40x = 1,148,886,618,268.86
  5. Step 5: Solve for x
    x = 1,148,886,618,268.86/1,709,963.40
  6. Step 6: Final answer
    x = 671,877.90

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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.