Home / 1,272,425.10-1,907,981.55-473,295.30

Finding the Fourth Proportional to 1,272,425.10, 1,907,981.55 and 473,295.30

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Solution

The fourth proportional to 1,272,425.10, 1,907,981.55 and 473,295.30 is: 709,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,425.10 : 1,907,981.55 = 473,295.30 : x
  2. Step 2: Convert to fraction form
    1,272,425.10/1,907,981.55 = 473,295.30/x
  3. Step 3: Cross multiply
    1,272,425.10x = 1,907,981.55 × 473,295.30
  4. Step 4: Simplify right side
    1,272,425.10x = 903,038,700,101.72
  5. Step 5: Solve for x
    x = 903,038,700,101.72/1,272,425.10
  6. Step 6: Final answer
    x = 709,698.90

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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.