Home / 1,014,739.51-1,400,363.15-579,148.12

Finding the Fourth Proportional to 1,014,739.51, 1,400,363.15 and 579,148.12

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Solution

The fourth proportional to 1,014,739.51, 1,400,363.15 and 579,148.12 is: 799,237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,739.51 : 1,400,363.15 = 579,148.12 : x
  2. Step 2: Convert to fraction form
    1,014,739.51/1,400,363.15 = 579,148.12/x
  3. Step 3: Cross multiply
    1,014,739.51x = 1,400,363.15 × 579,148.12
  4. Step 4: Simplify right side
    1,014,739.51x = 811,017,685,639.78
  5. Step 5: Solve for x
    x = 811,017,685,639.78/1,014,739.51
  6. Step 6: Final answer
    x = 799,237.32

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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.