Home / 907,614.40-1,361,421.60-864,068.80

Finding the Fourth Proportional to 907,614.40, 1,361,421.60 and 864,068.80

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Solution

The fourth proportional to 907,614.40, 1,361,421.60 and 864,068.80 is: 1,296,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,614.40 : 1,361,421.60 = 864,068.80 : x
  2. Step 2: Convert to fraction form
    907,614.40/1,361,421.60 = 864,068.80/x
  3. Step 3: Cross multiply
    907,614.40x = 1,361,421.60 × 864,068.80
  4. Step 4: Simplify right side
    907,614.40x = 1,176,361,928,206.08
  5. Step 5: Solve for x
    x = 1,176,361,928,206.08/907,614.40
  6. Step 6: Final answer
    x = 1,296,103.20

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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.