Home / 1,205,242.40-1,807,862.52-457,288.40

Finding the Fourth Proportional to 1,205,242.40, 1,807,862.52 and 457,288.40

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Solution

The fourth proportional to 1,205,242.40, 1,807,862.52 and 457,288.40 is: 685,932.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,242.40 : 1,807,862.52 = 457,288.40 : x
  2. Step 2: Convert to fraction form
    1,205,242.40/1,807,862.52 = 457,288.40/x
  3. Step 3: Cross multiply
    1,205,242.40x = 1,807,862.52 × 457,288.40
  4. Step 4: Simplify right side
    1,205,242.40x = 826,714,559,190.77
  5. Step 5: Solve for x
    x = 826,714,559,190.77/1,205,242.40
  6. Step 6: Final answer
    x = 685,932.19

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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.