Home / 1,431,130.72-2,146,955.28-589,223.20

Finding the Fourth Proportional to 1,431,130.72, 2,146,955.28 and 589,223.20

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Solution

The fourth proportional to 1,431,130.72, 2,146,955.28 and 589,223.20 is: 883,941.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,130.72 : 2,146,955.28 = 589,223.20 : x
  2. Step 2: Convert to fraction form
    1,431,130.72/2,146,955.28 = 589,223.20/x
  3. Step 3: Cross multiply
    1,431,130.72x = 2,146,955.28 × 589,223.20
  4. Step 4: Simplify right side
    1,431,130.72x = 1,265,035,860,338.50
  5. Step 5: Solve for x
    x = 1,265,035,860,338.50/1,431,130.72
  6. Step 6: Final answer
    x = 883,941.52

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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.