Home / 867,009.60-1,300,514.40-720,043.20

Finding the Fourth Proportional to 867,009.60, 1,300,514.40 and 720,043.20

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Solution

The fourth proportional to 867,009.60, 1,300,514.40 and 720,043.20 is: 1,080,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,009.60 : 1,300,514.40 = 720,043.20 : x
  2. Step 2: Convert to fraction form
    867,009.60/1,300,514.40 = 720,043.20/x
  3. Step 3: Cross multiply
    867,009.60x = 1,300,514.40 × 720,043.20
  4. Step 4: Simplify right side
    867,009.60x = 936,426,550,222.08
  5. Step 5: Solve for x
    x = 936,426,550,222.08/867,009.60
  6. Step 6: Final answer
    x = 1,080,064.80

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1.5x scale

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.