Home / 1,254,019.84-1,730,560.08-681,071.20

Finding the Fourth Proportional to 1,254,019.84, 1,730,560.08 and 681,071.20

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Solution

The fourth proportional to 1,254,019.84, 1,730,560.08 and 681,071.20 is: 939,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,019.84 : 1,730,560.08 = 681,071.20 : x
  2. Step 2: Convert to fraction form
    1,254,019.84/1,730,560.08 = 681,071.20/x
  3. Step 3: Cross multiply
    1,254,019.84x = 1,730,560.08 × 681,071.20
  4. Step 4: Simplify right side
    1,254,019.84x = 1,178,634,630,357.70
  5. Step 5: Solve for x
    x = 1,178,634,630,357.70/1,254,019.84
  6. Step 6: Final answer
    x = 939,885.15

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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.