Home / 1,398,088.99-1,932,802.46-1,385,300.53

Finding the Fourth Proportional to 1,398,088.99, 1,932,802.46 and 1,385,300.53

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Solution

The fourth proportional to 1,398,088.99, 1,932,802.46 and 1,385,300.53 is: 1,915,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,088.99 : 1,932,802.46 = 1,385,300.53 : x
  2. Step 2: Convert to fraction form
    1,398,088.99/1,932,802.46 = 1,385,300.53/x
  3. Step 3: Cross multiply
    1,398,088.99x = 1,932,802.46 × 1,385,300.53
  4. Step 4: Simplify right side
    1,398,088.99x = 2,677,512,272,223.30
  5. Step 5: Solve for x
    x = 2,677,512,272,223.30/1,398,088.99
  6. Step 6: Final answer
    x = 1,915,122.92

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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.