Home / 1,069,270.80-1,605,461.40-804,886.80

Finding the Fourth Proportional to 1,069,270.80, 1,605,461.40 and 804,886.80

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Solution

The fourth proportional to 1,069,270.80, 1,605,461.40 and 804,886.80 is: 1,208,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,270.80 : 1,605,461.40 = 804,886.80 : x
  2. Step 2: Convert to fraction form
    1,069,270.80/1,605,461.40 = 804,886.80/x
  3. Step 3: Cross multiply
    1,069,270.80x = 1,605,461.40 × 804,886.80
  4. Step 4: Simplify right side
    1,069,270.80x = 1,292,214,688,769.52
  5. Step 5: Solve for x
    x = 1,292,214,688,769.52/1,069,270.80
  6. Step 6: Final answer
    x = 1,208,500.87

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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.