Home / 1,431,010.16-1,974,915.20-973,140.46

Finding the Fourth Proportional to 1,431,010.16, 1,974,915.20 and 973,140.46

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Solution

The fourth proportional to 1,431,010.16, 1,974,915.20 and 973,140.46 is: 1,343,016.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,010.16 : 1,974,915.20 = 973,140.46 : x
  2. Step 2: Convert to fraction form
    1,431,010.16/1,974,915.20 = 973,140.46/x
  3. Step 3: Cross multiply
    1,431,010.16x = 1,974,915.20 × 973,140.46
  4. Step 4: Simplify right side
    1,431,010.16x = 1,921,869,886,188.99
  5. Step 5: Solve for x
    x = 1,921,869,886,188.99/1,431,010.16
  6. Step 6: Final answer
    x = 1,343,016.24

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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.