Home / 1,299,398.79-1,949,430.34-500,465.82

Finding the Fourth Proportional to 1,299,398.79, 1,949,430.34 and 500,465.82

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Solution

The fourth proportional to 1,299,398.79, 1,949,430.34 and 500,465.82 is: 750,826.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,398.79 : 1,949,430.34 = 500,465.82 : x
  2. Step 2: Convert to fraction form
    1,299,398.79/1,949,430.34 = 500,465.82/x
  3. Step 3: Cross multiply
    1,299,398.79x = 1,949,430.34 × 500,465.82
  4. Step 4: Simplify right side
    1,299,398.79x = 975,623,261,576.93
  5. Step 5: Solve for x
    x = 975,623,261,576.93/1,299,398.79
  6. Step 6: Final answer
    x = 750,826.66

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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.