Home / 1,386,019.70-2,077,474.35-787,267.70

Finding the Fourth Proportional to 1,386,019.70, 2,077,474.35 and 787,267.70

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Solution

The fourth proportional to 1,386,019.70, 2,077,474.35 and 787,267.70 is: 1,180,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,019.70 : 2,077,474.35 = 787,267.70 : x
  2. Step 2: Convert to fraction form
    1,386,019.70/2,077,474.35 = 787,267.70/x
  3. Step 3: Cross multiply
    1,386,019.70x = 2,077,474.35 × 787,267.70
  4. Step 4: Simplify right side
    1,386,019.70x = 1,635,528,453,333.50
  5. Step 5: Solve for x
    x = 1,635,528,453,333.50/1,386,019.70
  6. Step 6: Final answer
    x = 1,180,018.19

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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.