Home / 1,242,828.37-1,865,988.06-636,050.62

Finding the Fourth Proportional to 1,242,828.37, 1,865,988.06 and 636,050.62

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Solution

The fourth proportional to 1,242,828.37, 1,865,988.06 and 636,050.62 is: 954,969.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,828.37 : 1,865,988.06 = 636,050.62 : x
  2. Step 2: Convert to fraction form
    1,242,828.37/1,865,988.06 = 636,050.62/x
  3. Step 3: Cross multiply
    1,242,828.37x = 1,865,988.06 × 636,050.62
  4. Step 4: Simplify right side
    1,242,828.37x = 1,186,862,862,475.60
  5. Step 5: Solve for x
    x = 1,186,862,862,475.60/1,242,828.37
  6. Step 6: Final answer
    x = 954,969.24

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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.