Home / 1,309,793.15-1,807,300.21-758,312.40

Finding the Fourth Proportional to 1,309,793.15, 1,807,300.21 and 758,312.40

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Solution

The fourth proportional to 1,309,793.15, 1,807,300.21 and 758,312.40 is: 1,046,347.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,793.15 : 1,807,300.21 = 758,312.40 : x
  2. Step 2: Convert to fraction form
    1,309,793.15/1,807,300.21 = 758,312.40/x
  3. Step 3: Cross multiply
    1,309,793.15x = 1,807,300.21 × 758,312.40
  4. Step 4: Simplify right side
    1,309,793.15x = 1,370,498,146,937.54
  5. Step 5: Solve for x
    x = 1,370,498,146,937.54/1,309,793.15
  6. Step 6: Final answer
    x = 1,046,347.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.