Home / 727,716.40-1,091,574.60-697,001.20

Finding the Fourth Proportional to 727,716.40, 1,091,574.60 and 697,001.20

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Solution

The fourth proportional to 727,716.40, 1,091,574.60 and 697,001.20 is: 1,045,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,716.40 : 1,091,574.60 = 697,001.20 : x
  2. Step 2: Convert to fraction form
    727,716.40/1,091,574.60 = 697,001.20/x
  3. Step 3: Cross multiply
    727,716.40x = 1,091,574.60 × 697,001.20
  4. Step 4: Simplify right side
    727,716.40x = 760,828,806,089.52
  5. Step 5: Solve for x
    x = 760,828,806,089.52/727,716.40
  6. Step 6: Final answer
    x = 1,045,501.80

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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.