Home / 1,329,448.96-1,994,676.02-520,411.58

Finding the Fourth Proportional to 1,329,448.96, 1,994,676.02 and 520,411.58

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Solution

The fourth proportional to 1,329,448.96, 1,994,676.02 and 520,411.58 is: 780,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,448.96 : 1,994,676.02 = 520,411.58 : x
  2. Step 2: Convert to fraction form
    1,329,448.96/1,994,676.02 = 520,411.58/x
  3. Step 3: Cross multiply
    1,329,448.96x = 1,994,676.02 × 520,411.58
  4. Step 4: Simplify right side
    1,329,448.96x = 1,038,052,490,483.96
  5. Step 5: Solve for x
    x = 1,038,052,490,483.96/1,329,448.96
  6. Step 6: Final answer
    x = 780,814.10

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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.