Home / 1,008,011.30-1,391,054.98-555,302.30

Finding the Fourth Proportional to 1,008,011.30, 1,391,054.98 and 555,302.30

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Solution

The fourth proportional to 1,008,011.30, 1,391,054.98 and 555,302.30 is: 766,316.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,011.30 : 1,391,054.98 = 555,302.30 : x
  2. Step 2: Convert to fraction form
    1,008,011.30/1,391,054.98 = 555,302.30/x
  3. Step 3: Cross multiply
    1,008,011.30x = 1,391,054.98 × 555,302.30
  4. Step 4: Simplify right side
    1,008,011.30x = 772,456,029,820.45
  5. Step 5: Solve for x
    x = 772,456,029,820.45/1,008,011.30
  6. Step 6: Final answer
    x = 766,316.84

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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.