Home / 1,359,985.60-2,038,228.80-826,940.80

Finding the Fourth Proportional to 1,359,985.60, 2,038,228.80 and 826,940.80

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Solution

The fourth proportional to 1,359,985.60, 2,038,228.80 and 826,940.80 is: 1,239,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,985.60 : 2,038,228.80 = 826,940.80 : x
  2. Step 2: Convert to fraction form
    1,359,985.60/2,038,228.80 = 826,940.80/x
  3. Step 3: Cross multiply
    1,359,985.60x = 2,038,228.80 × 826,940.80
  4. Step 4: Simplify right side
    1,359,985.60x = 1,685,494,554,455.04
  5. Step 5: Solve for x
    x = 1,685,494,554,455.04/1,359,985.60
  6. Step 6: Final answer
    x = 1,239,347.35

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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.