Home / 1,005,842.65-1,388,020.60-570,289.29

Finding the Fourth Proportional to 1,005,842.65, 1,388,020.60 and 570,289.29

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Solution

The fourth proportional to 1,005,842.65, 1,388,020.60 and 570,289.29 is: 786,975.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,842.65 : 1,388,020.60 = 570,289.29 : x
  2. Step 2: Convert to fraction form
    1,005,842.65/1,388,020.60 = 570,289.29/x
  3. Step 3: Cross multiply
    1,005,842.65x = 1,388,020.60 × 570,289.29
  4. Step 4: Simplify right side
    1,005,842.65x = 791,573,286,258.73
  5. Step 5: Solve for x
    x = 791,573,286,258.73/1,005,842.65
  6. Step 6: Final answer
    x = 786,975.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.