Home / 1,243,619.20-1,866,522.30-737,547.40

Finding the Fourth Proportional to 1,243,619.20, 1,866,522.30 and 737,547.40

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Solution

The fourth proportional to 1,243,619.20, 1,866,522.30 and 737,547.40 is: 1,106,969.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,619.20 : 1,866,522.30 = 737,547.40 : x
  2. Step 2: Convert to fraction form
    1,243,619.20/1,866,522.30 = 737,547.40/x
  3. Step 3: Cross multiply
    1,243,619.20x = 1,866,522.30 × 737,547.40
  4. Step 4: Simplify right side
    1,243,619.20x = 1,376,648,669,407.02
  5. Step 5: Solve for x
    x = 1,376,648,669,407.02/1,243,619.20
  6. Step 6: Final answer
    x = 1,106,969.62

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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.