Home / 1,354,929.34-1,869,667.77-782,154.04

Finding the Fourth Proportional to 1,354,929.34, 1,869,667.77 and 782,154.04

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Solution

The fourth proportional to 1,354,929.34, 1,869,667.77 and 782,154.04 is: 1,079,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,929.34 : 1,869,667.77 = 782,154.04 : x
  2. Step 2: Convert to fraction form
    1,354,929.34/1,869,667.77 = 782,154.04/x
  3. Step 3: Cross multiply
    1,354,929.34x = 1,869,667.77 × 782,154.04
  4. Step 4: Simplify right side
    1,354,929.34x = 1,462,368,199,763.29
  5. Step 5: Solve for x
    x = 1,462,368,199,763.29/1,354,929.34
  6. Step 6: Final answer
    x = 1,079,294.81

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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.