Home / 1,440,302.07-2,160,453.83-375,341.43

Finding the Fourth Proportional to 1,440,302.07, 2,160,453.83 and 375,341.43

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Solution

The fourth proportional to 1,440,302.07, 2,160,453.83 and 375,341.43 is: 563,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,302.07 : 2,160,453.83 = 375,341.43 : x
  2. Step 2: Convert to fraction form
    1,440,302.07/2,160,453.83 = 375,341.43/x
  3. Step 3: Cross multiply
    1,440,302.07x = 2,160,453.83 × 375,341.43
  4. Step 4: Simplify right side
    1,440,302.07x = 810,907,830,001.18
  5. Step 5: Solve for x
    x = 810,907,830,001.18/1,440,302.07
  6. Step 6: Final answer
    x = 563,012.33

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Double scale
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1.5x scale

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.