Home / 1,246,905.07-1,871,058.29-678,325.95

Finding the Fourth Proportional to 1,246,905.07, 1,871,058.29 and 678,325.95

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Solution

The fourth proportional to 1,246,905.07, 1,871,058.29 and 678,325.95 is: 1,017,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,905.07 : 1,871,058.29 = 678,325.95 : x
  2. Step 2: Convert to fraction form
    1,246,905.07/1,871,058.29 = 678,325.95/x
  3. Step 3: Cross multiply
    1,246,905.07x = 1,871,058.29 × 678,325.95
  4. Step 4: Simplify right side
    1,246,905.07x = 1,269,187,388,678.00
  5. Step 5: Solve for x
    x = 1,269,187,388,678.00/1,246,905.07
  6. Step 6: Final answer
    x = 1,017,870.10

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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.