Home / 1,029,341.12-1,420,494.08-570,463.20

Finding the Fourth Proportional to 1,029,341.12, 1,420,494.08 and 570,463.20

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Solution

The fourth proportional to 1,029,341.12, 1,420,494.08 and 570,463.20 is: 787,241.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,341.12 : 1,420,494.08 = 570,463.20 : x
  2. Step 2: Convert to fraction form
    1,029,341.12/1,420,494.08 = 570,463.20/x
  3. Step 3: Cross multiply
    1,029,341.12x = 1,420,494.08 × 570,463.20
  4. Step 4: Simplify right side
    1,029,341.12x = 810,339,598,457.86
  5. Step 5: Solve for x
    x = 810,339,598,457.86/1,029,341.12
  6. Step 6: Final answer
    x = 787,241.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.