Home / 1,440,500.61-1,987,886.74-795,916.21

Finding the Fourth Proportional to 1,440,500.61, 1,987,886.74 and 795,916.21

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Solution

The fourth proportional to 1,440,500.61, 1,987,886.74 and 795,916.21 is: 1,098,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,500.61 : 1,987,886.74 = 795,916.21 : x
  2. Step 2: Convert to fraction form
    1,440,500.61/1,987,886.74 = 795,916.21/x
  3. Step 3: Cross multiply
    1,440,500.61x = 1,987,886.74 × 795,916.21
  4. Step 4: Simplify right side
    1,440,500.61x = 1,582,191,280,010.06
  5. Step 5: Solve for x
    x = 1,582,191,280,010.06/1,440,500.61
  6. Step 6: Final answer
    x = 1,098,362.10

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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.