Home / 1,039,775.70-1,559,663.55-291,821.70

Finding the Fourth Proportional to 1,039,775.70, 1,559,663.55 and 291,821.70

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Solution

The fourth proportional to 1,039,775.70, 1,559,663.55 and 291,821.70 is: 437,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,775.70 : 1,559,663.55 = 291,821.70 : x
  2. Step 2: Convert to fraction form
    1,039,775.70/1,559,663.55 = 291,821.70/x
  3. Step 3: Cross multiply
    1,039,775.70x = 1,559,663.55 × 291,821.70
  4. Step 4: Simplify right side
    1,039,775.70x = 455,143,668,589.04
  5. Step 5: Solve for x
    x = 455,143,668,589.04/1,039,775.70
  6. Step 6: Final answer
    x = 437,732.55

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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.