Home / 1,267,070.10-1,900,624.59-425,629.14

Finding the Fourth Proportional to 1,267,070.10, 1,900,624.59 and 425,629.14

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Solution

The fourth proportional to 1,267,070.10, 1,900,624.59 and 425,629.14 is: 638,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,070.10 : 1,900,624.59 = 425,629.14 : x
  2. Step 2: Convert to fraction form
    1,267,070.10/1,900,624.59 = 425,629.14/x
  3. Step 3: Cross multiply
    1,267,070.10x = 1,900,624.59 × 425,629.14
  4. Step 4: Simplify right side
    1,267,070.10x = 808,961,209,704.55
  5. Step 5: Solve for x
    x = 808,961,209,704.55/1,267,070.10
  6. Step 6: Final answer
    x = 638,450.24

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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.