Home / 1,148,490-1,722,603.54-307,107.36

Finding the Fourth Proportional to 1,148,490, 1,722,603.54 and 307,107.36

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Solution

The fourth proportional to 1,148,490, 1,722,603.54 and 307,107.36 is: 460,625.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,490 : 1,722,603.54 = 307,107.36 : x
  2. Step 2: Convert to fraction form
    1,148,490/1,722,603.54 = 307,107.36/x
  3. Step 3: Cross multiply
    1,148,490x = 1,722,603.54 × 307,107.36
  4. Step 4: Simplify right side
    1,148,490x = 529,024,225,496.05
  5. Step 5: Solve for x
    x = 529,024,225,496.05/1,148,490
  6. Step 6: Final answer
    x = 460,625.89

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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.