Home / 1,339,711.70-2,011,900.35-709,855.70

Finding the Fourth Proportional to 1,339,711.70, 2,011,900.35 and 709,855.70

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Solution

The fourth proportional to 1,339,711.70, 2,011,900.35 and 709,855.70 is: 1,066,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,711.70 : 2,011,900.35 = 709,855.70 : x
  2. Step 2: Convert to fraction form
    1,339,711.70/2,011,900.35 = 709,855.70/x
  3. Step 3: Cross multiply
    1,339,711.70x = 2,011,900.35 × 709,855.70
  4. Step 4: Simplify right side
    1,339,711.70x = 1,428,158,931,279.50
  5. Step 5: Solve for x
    x = 1,428,158,931,279.50/1,339,711.70
  6. Step 6: Final answer
    x = 1,066,019.60

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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.