Home / 1,422,276.48-1,963,235.76-818,904.96

Finding the Fourth Proportional to 1,422,276.48, 1,963,235.76 and 818,904.96

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Solution

The fourth proportional to 1,422,276.48, 1,963,235.76 and 818,904.96 is: 1,130,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,276.48 : 1,963,235.76 = 818,904.96 : x
  2. Step 2: Convert to fraction form
    1,422,276.48/1,963,235.76 = 818,904.96/x
  3. Step 3: Cross multiply
    1,422,276.48x = 1,963,235.76 × 818,904.96
  4. Step 4: Simplify right side
    1,422,276.48x = 1,607,703,501,513.37
  5. Step 5: Solve for x
    x = 1,607,703,501,513.37/1,422,276.48
  6. Step 6: Final answer
    x = 1,130,373.40

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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.