Home / 1,071,477.81-1,603,379.21-927,881.01

Finding the Fourth Proportional to 1,071,477.81, 1,603,379.21 and 927,881.01

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Solution

The fourth proportional to 1,071,477.81, 1,603,379.21 and 927,881.01 is: 1,388,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,477.81 : 1,603,379.21 = 927,881.01 : x
  2. Step 2: Convert to fraction form
    1,071,477.81/1,603,379.21 = 927,881.01/x
  3. Step 3: Cross multiply
    1,071,477.81x = 1,603,379.21 × 927,881.01
  4. Step 4: Simplify right side
    1,071,477.81x = 1,487,745,116,148.40
  5. Step 5: Solve for x
    x = 1,487,745,116,148.40/1,071,477.81
  6. Step 6: Final answer
    x = 1,388,498.30

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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.