Home / 1,346,455.80-2,019,683.70-1,293,311.70

Finding the Fourth Proportional to 1,346,455.80, 2,019,683.70 and 1,293,311.70

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Solution

The fourth proportional to 1,346,455.80, 2,019,683.70 and 1,293,311.70 is: 1,939,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,455.80 : 2,019,683.70 = 1,293,311.70 : x
  2. Step 2: Convert to fraction form
    1,346,455.80/2,019,683.70 = 1,293,311.70/x
  3. Step 3: Cross multiply
    1,346,455.80x = 2,019,683.70 × 1,293,311.70
  4. Step 4: Simplify right side
    1,346,455.80x = 2,612,080,559,509.29
  5. Step 5: Solve for x
    x = 2,612,080,559,509.29/1,346,455.80
  6. Step 6: Final answer
    x = 1,939,967.55

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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.