Home / 1,119,526.40-1,678,809.76-520,425.04

Finding the Fourth Proportional to 1,119,526.40, 1,678,809.76 and 520,425.04

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Solution

The fourth proportional to 1,119,526.40, 1,678,809.76 and 520,425.04 is: 780,414.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,526.40 : 1,678,809.76 = 520,425.04 : x
  2. Step 2: Convert to fraction form
    1,119,526.40/1,678,809.76 = 520,425.04/x
  3. Step 3: Cross multiply
    1,119,526.40x = 1,678,809.76 × 520,425.04
  4. Step 4: Simplify right side
    1,119,526.40x = 873,694,636,500.39
  5. Step 5: Solve for x
    x = 873,694,636,500.39/1,119,526.40
  6. Step 6: Final answer
    x = 780,414.50

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1.5x scale

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.