Home / 1,294,106.40-1,941,159.60-790,221.60

Finding the Fourth Proportional to 1,294,106.40, 1,941,159.60 and 790,221.60

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Solution

The fourth proportional to 1,294,106.40, 1,941,159.60 and 790,221.60 is: 1,185,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,106.40 : 1,941,159.60 = 790,221.60 : x
  2. Step 2: Convert to fraction form
    1,294,106.40/1,941,159.60 = 790,221.60/x
  3. Step 3: Cross multiply
    1,294,106.40x = 1,941,159.60 × 790,221.60
  4. Step 4: Simplify right side
    1,294,106.40x = 1,533,946,244,967.36
  5. Step 5: Solve for x
    x = 1,533,946,244,967.36/1,294,106.40
  6. Step 6: Final answer
    x = 1,185,332.40

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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.