Home / 1,054,549.80-1,455,271.41-571,103.88

Finding the Fourth Proportional to 1,054,549.80, 1,455,271.41 and 571,103.88

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Solution

The fourth proportional to 1,054,549.80, 1,455,271.41 and 571,103.88 is: 788,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,549.80 : 1,455,271.41 = 571,103.88 : x
  2. Step 2: Convert to fraction form
    1,054,549.80/1,455,271.41 = 571,103.88/x
  3. Step 3: Cross multiply
    1,054,549.80x = 1,455,271.41 × 571,103.88
  4. Step 4: Simplify right side
    1,054,549.80x = 831,111,148,704.07
  5. Step 5: Solve for x
    x = 831,111,148,704.07/1,054,549.80
  6. Step 6: Final answer
    x = 788,119.39

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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.