Home / 1,009,403.08-1,513,871.16-299,259.88

Finding the Fourth Proportional to 1,009,403.08, 1,513,871.16 and 299,259.88

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Solution

The fourth proportional to 1,009,403.08, 1,513,871.16 and 299,259.88 is: 448,820.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,403.08 : 1,513,871.16 = 299,259.88 : x
  2. Step 2: Convert to fraction form
    1,009,403.08/1,513,871.16 = 299,259.88/x
  3. Step 3: Cross multiply
    1,009,403.08x = 1,513,871.16 × 299,259.88
  4. Step 4: Simplify right side
    1,009,403.08x = 453,040,901,677.06
  5. Step 5: Solve for x
    x = 453,040,901,677.06/1,009,403.08
  6. Step 6: Final answer
    x = 448,820.61

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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.