Home / 1,225,780.80-1,835,258.40-625,444.80

Finding the Fourth Proportional to 1,225,780.80, 1,835,258.40 and 625,444.80

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Solution

The fourth proportional to 1,225,780.80, 1,835,258.40 and 625,444.80 is: 936,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,780.80 : 1,835,258.40 = 625,444.80 : x
  2. Step 2: Convert to fraction form
    1,225,780.80/1,835,258.40 = 625,444.80/x
  3. Step 3: Cross multiply
    1,225,780.80x = 1,835,258.40 × 625,444.80
  4. Step 4: Simplify right side
    1,225,780.80x = 1,147,852,822,936.32
  5. Step 5: Solve for x
    x = 1,147,852,822,936.32/1,225,780.80
  6. Step 6: Final answer
    x = 936,425.85

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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.