Home / 1,237,785-1,856,703.40-396,334.32

Finding the Fourth Proportional to 1,237,785, 1,856,703.40 and 396,334.32

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Solution

The fourth proportional to 1,237,785, 1,856,703.40 and 396,334.32 is: 594,509.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,785 : 1,856,703.40 = 396,334.32 : x
  2. Step 2: Convert to fraction form
    1,237,785/1,856,703.40 = 396,334.32/x
  3. Step 3: Cross multiply
    1,237,785x = 1,856,703.40 × 396,334.32
  4. Step 4: Simplify right side
    1,237,785x = 735,875,279,480.69
  5. Step 5: Solve for x
    x = 735,875,279,480.69/1,237,785
  6. Step 6: Final answer
    x = 594,509.77

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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.