Home / 1,307,688.84-1,805,415.72-1,036,850.76

Finding the Fourth Proportional to 1,307,688.84, 1,805,415.72 and 1,036,850.76

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Solution

The fourth proportional to 1,307,688.84, 1,805,415.72 and 1,036,850.76 is: 1,431,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,688.84 : 1,805,415.72 = 1,036,850.76 : x
  2. Step 2: Convert to fraction form
    1,307,688.84/1,805,415.72 = 1,036,850.76/x
  3. Step 3: Cross multiply
    1,307,688.84x = 1,805,415.72 × 1,036,850.76
  4. Step 4: Simplify right side
    1,307,688.84x = 1,871,946,661,397.95
  5. Step 5: Solve for x
    x = 1,871,946,661,397.95/1,307,688.84
  6. Step 6: Final answer
    x = 1,431,492.42

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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.