Home / 1,431,738.24-1,973,729.28-947,492.16

Finding the Fourth Proportional to 1,431,738.24, 1,973,729.28 and 947,492.16

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Solution

The fourth proportional to 1,431,738.24, 1,973,729.28 and 947,492.16 is: 1,306,169.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,738.24 : 1,973,729.28 = 947,492.16 : x
  2. Step 2: Convert to fraction form
    1,431,738.24/1,973,729.28 = 947,492.16/x
  3. Step 3: Cross multiply
    1,431,738.24x = 1,973,729.28 × 947,492.16
  4. Step 4: Simplify right side
    1,431,738.24x = 1,870,093,018,762.44
  5. Step 5: Solve for x
    x = 1,870,093,018,762.44/1,431,738.24
  6. Step 6: Final answer
    x = 1,306,169.64

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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.