Home / 1,266,579.90-1,900,066.68-425,328.48

Finding the Fourth Proportional to 1,266,579.90, 1,900,066.68 and 425,328.48

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Solution

The fourth proportional to 1,266,579.90, 1,900,066.68 and 425,328.48 is: 638,058.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,579.90 : 1,900,066.68 = 425,328.48 : x
  2. Step 2: Convert to fraction form
    1,266,579.90/1,900,066.68 = 425,328.48/x
  3. Step 3: Cross multiply
    1,266,579.90x = 1,900,066.68 × 425,328.48
  4. Step 4: Simplify right side
    1,266,579.90x = 808,152,472,903.05
  5. Step 5: Solve for x
    x = 808,152,472,903.05/1,266,579.90
  6. Step 6: Final answer
    x = 638,058.82

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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.