Home / 1,315,402.80-1,972,448.10-604,627.80

Finding the Fourth Proportional to 1,315,402.80, 1,972,448.10 and 604,627.80

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Solution

The fourth proportional to 1,315,402.80, 1,972,448.10 and 604,627.80 is: 906,640.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,402.80 : 1,972,448.10 = 604,627.80 : x
  2. Step 2: Convert to fraction form
    1,315,402.80/1,972,448.10 = 604,627.80/x
  3. Step 3: Cross multiply
    1,315,402.80x = 1,972,448.10 × 604,627.80
  4. Step 4: Simplify right side
    1,315,402.80x = 1,192,596,955,317.18
  5. Step 5: Solve for x
    x = 1,192,596,955,317.18/1,315,402.80
  6. Step 6: Final answer
    x = 906,640.12

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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.