Home / 1,572,009-2,169,270.36-927,281.40

Finding the Fourth Proportional to 1,572,009, 2,169,270.36 and 927,281.40

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Solution

The fourth proportional to 1,572,009, 2,169,270.36 and 927,281.40 is: 1,279,588.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,009 : 2,169,270.36 = 927,281.40 : x
  2. Step 2: Convert to fraction form
    1,572,009/2,169,270.36 = 927,281.40/x
  3. Step 3: Cross multiply
    1,572,009x = 2,169,270.36 × 927,281.40
  4. Step 4: Simplify right side
    1,572,009x = 2,011,524,056,399.30
  5. Step 5: Solve for x
    x = 2,011,524,056,399.30/1,572,009
  6. Step 6: Final answer
    x = 1,279,588.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.