Home / 1,230,276.60-1,843,686.90-977,988.60

Finding the Fourth Proportional to 1,230,276.60, 1,843,686.90 and 977,988.60

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Solution

The fourth proportional to 1,230,276.60, 1,843,686.90 and 977,988.60 is: 1,465,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,276.60 : 1,843,686.90 = 977,988.60 : x
  2. Step 2: Convert to fraction form
    1,230,276.60/1,843,686.90 = 977,988.60/x
  3. Step 3: Cross multiply
    1,230,276.60x = 1,843,686.90 × 977,988.60
  4. Step 4: Simplify right side
    1,230,276.60x = 1,803,104,770,169.34
  5. Step 5: Solve for x
    x = 1,803,104,770,169.34/1,230,276.60
  6. Step 6: Final answer
    x = 1,465,609.25

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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.