Home / 1,225,494.40-1,833,867.60-776,430.40

Finding the Fourth Proportional to 1,225,494.40, 1,833,867.60 and 776,430.40

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Solution

The fourth proportional to 1,225,494.40, 1,833,867.60 and 776,430.40 is: 1,161,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,494.40 : 1,833,867.60 = 776,430.40 : x
  2. Step 2: Convert to fraction form
    1,225,494.40/1,833,867.60 = 776,430.40/x
  3. Step 3: Cross multiply
    1,225,494.40x = 1,833,867.60 × 776,430.40
  4. Step 4: Simplify right side
    1,225,494.40x = 1,423,870,554,215.04
  5. Step 5: Solve for x
    x = 1,423,870,554,215.04/1,225,494.40
  6. Step 6: Final answer
    x = 1,161,874.39

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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.