Home / 830,001.40-1,245,002.10-746,020.60

Finding the Fourth Proportional to 830,001.40, 1,245,002.10 and 746,020.60

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Solution

The fourth proportional to 830,001.40, 1,245,002.10 and 746,020.60 is: 1,119,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,001.40 : 1,245,002.10 = 746,020.60 : x
  2. Step 2: Convert to fraction form
    830,001.40/1,245,002.10 = 746,020.60/x
  3. Step 3: Cross multiply
    830,001.40x = 1,245,002.10 × 746,020.60
  4. Step 4: Simplify right side
    830,001.40x = 928,797,213,643.26
  5. Step 5: Solve for x
    x = 928,797,213,643.26/830,001.40
  6. Step 6: Final answer
    x = 1,119,030.90

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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.