Home / 1,436,678.10-2,155,276.35-724,914.90

Finding the Fourth Proportional to 1,436,678.10, 2,155,276.35 and 724,914.90

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Solution

The fourth proportional to 1,436,678.10, 2,155,276.35 and 724,914.90 is: 1,087,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,678.10 : 2,155,276.35 = 724,914.90 : x
  2. Step 2: Convert to fraction form
    1,436,678.10/2,155,276.35 = 724,914.90/x
  3. Step 3: Cross multiply
    1,436,678.10x = 2,155,276.35 × 724,914.90
  4. Step 4: Simplify right side
    1,436,678.10x = 1,562,391,939,732.62
  5. Step 5: Solve for x
    x = 1,562,391,939,732.62/1,436,678.10
  6. Step 6: Final answer
    x = 1,087,503.14

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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.