Home / 1,533,490.74-2,116,225.89-889,293.42

Finding the Fourth Proportional to 1,533,490.74, 2,116,225.89 and 889,293.42

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Solution

The fourth proportional to 1,533,490.74, 2,116,225.89 and 889,293.42 is: 1,227,229.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,490.74 : 2,116,225.89 = 889,293.42 : x
  2. Step 2: Convert to fraction form
    1,533,490.74/2,116,225.89 = 889,293.42/x
  3. Step 3: Cross multiply
    1,533,490.74x = 2,116,225.89 × 889,293.42
  4. Step 4: Simplify right side
    1,533,490.74x = 1,881,945,759,210.64
  5. Step 5: Solve for x
    x = 1,881,945,759,210.64/1,533,490.74
  6. Step 6: Final answer
    x = 1,227,229.95

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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.