Home / 1,718,493.90-2,577,412.80-520,455.30

Finding the Fourth Proportional to 1,718,493.90, 2,577,412.80 and 520,455.30

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Solution

The fourth proportional to 1,718,493.90, 2,577,412.80 and 520,455.30 is: 780,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,493.90 : 2,577,412.80 = 520,455.30 : x
  2. Step 2: Convert to fraction form
    1,718,493.90/2,577,412.80 = 520,455.30/x
  3. Step 3: Cross multiply
    1,718,493.90x = 2,577,412.80 × 520,455.30
  4. Step 4: Simplify right side
    1,718,493.90x = 1,341,428,152,047.84
  5. Step 5: Solve for x
    x = 1,341,428,152,047.84/1,718,493.90
  6. Step 6: Final answer
    x = 780,583.60

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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.