Home / 1,008,347.04-1,391,548.64-555,667.20

Finding the Fourth Proportional to 1,008,347.04, 1,391,548.64 and 555,667.20

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Solution

The fourth proportional to 1,008,347.04, 1,391,548.64 and 555,667.20 is: 766,837.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,347.04 : 1,391,548.64 = 555,667.20 : x
  2. Step 2: Convert to fraction form
    1,008,347.04/1,391,548.64 = 555,667.20/x
  3. Step 3: Cross multiply
    1,008,347.04x = 1,391,548.64 × 555,667.20
  4. Step 4: Simplify right side
    1,008,347.04x = 773,237,936,452.61
  5. Step 5: Solve for x
    x = 773,237,936,452.61/1,008,347.04
  6. Step 6: Final answer
    x = 766,837.12

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1.5x scale

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.