Home / 1,004,521.14-1,386,603.09-665,098.74

Finding the Fourth Proportional to 1,004,521.14, 1,386,603.09 and 665,098.74

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Solution

The fourth proportional to 1,004,521.14, 1,386,603.09 and 665,098.74 is: 918,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,521.14 : 1,386,603.09 = 665,098.74 : x
  2. Step 2: Convert to fraction form
    1,004,521.14/1,386,603.09 = 665,098.74/x
  3. Step 3: Cross multiply
    1,004,521.14x = 1,386,603.09 × 665,098.74
  4. Step 4: Simplify right side
    1,004,521.14x = 922,227,968,039.11
  5. Step 5: Solve for x
    x = 922,227,968,039.11/1,004,521.14
  6. Step 6: Final answer
    x = 918,077.21

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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.