Home / 1,036,397.40-1,551,971.70-768,708.60

Finding the Fourth Proportional to 1,036,397.40, 1,551,971.70 and 768,708.60

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Solution

The fourth proportional to 1,036,397.40, 1,551,971.70 and 768,708.60 is: 1,151,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,397.40 : 1,551,971.70 = 768,708.60 : x
  2. Step 2: Convert to fraction form
    1,036,397.40/1,551,971.70 = 768,708.60/x
  3. Step 3: Cross multiply
    1,036,397.40x = 1,551,971.70 × 768,708.60
  4. Step 4: Simplify right side
    1,036,397.40x = 1,193,013,992,746.62
  5. Step 5: Solve for x
    x = 1,193,013,992,746.62/1,036,397.40
  6. Step 6: Final answer
    x = 1,151,116.35

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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.