Home / 1,450,017.16-2,000,967.42-805,478.20

Finding the Fourth Proportional to 1,450,017.16, 2,000,967.42 and 805,478.20

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Solution

The fourth proportional to 1,450,017.16, 2,000,967.42 and 805,478.20 is: 1,111,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,017.16 : 2,000,967.42 = 805,478.20 : x
  2. Step 2: Convert to fraction form
    1,450,017.16/2,000,967.42 = 805,478.20/x
  3. Step 3: Cross multiply
    1,450,017.16x = 2,000,967.42 × 805,478.20
  4. Step 4: Simplify right side
    1,450,017.16x = 1,611,735,635,720.24
  5. Step 5: Solve for x
    x = 1,611,735,635,720.24/1,450,017.16
  6. Step 6: Final answer
    x = 1,111,528.66

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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.