Home / 916,931.80-1,372,287.30-804,957.40

Finding the Fourth Proportional to 916,931.80, 1,372,287.30 and 804,957.40

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Solution

The fourth proportional to 916,931.80, 1,372,287.30 and 804,957.40 is: 1,204,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,931.80 : 1,372,287.30 = 804,957.40 : x
  2. Step 2: Convert to fraction form
    916,931.80/1,372,287.30 = 804,957.40/x
  3. Step 3: Cross multiply
    916,931.80x = 1,372,287.30 × 804,957.40
  4. Step 4: Simplify right side
    916,931.80x = 1,104,632,817,061.02
  5. Step 5: Solve for x
    x = 1,104,632,817,061.02/916,931.80
  6. Step 6: Final answer
    x = 1,204,705.54

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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.