Home / 1,161,664.10-1,742,582.55-413,612.90

Finding the Fourth Proportional to 1,161,664.10, 1,742,582.55 and 413,612.90

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Solution

The fourth proportional to 1,161,664.10, 1,742,582.55 and 413,612.90 is: 620,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,664.10 : 1,742,582.55 = 413,612.90 : x
  2. Step 2: Convert to fraction form
    1,161,664.10/1,742,582.55 = 413,612.90/x
  3. Step 3: Cross multiply
    1,161,664.10x = 1,742,582.55 × 413,612.90
  4. Step 4: Simplify right side
    1,161,664.10x = 720,754,621,994.90
  5. Step 5: Solve for x
    x = 720,754,621,994.90/1,161,664.10
  6. Step 6: Final answer
    x = 620,450.11

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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.