Home / 1,335,300.04-1,999,749.61-685,165.35

Finding the Fourth Proportional to 1,335,300.04, 1,999,749.61 and 685,165.35

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Solution

The fourth proportional to 1,335,300.04, 1,999,749.61 and 685,165.35 is: 1,026,105.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,300.04 : 1,999,749.61 = 685,165.35 : x
  2. Step 2: Convert to fraction form
    1,335,300.04/1,999,749.61 = 685,165.35/x
  3. Step 3: Cross multiply
    1,335,300.04x = 1,999,749.61 × 685,165.35
  4. Step 4: Simplify right side
    1,335,300.04x = 1,370,159,141,448.01
  5. Step 5: Solve for x
    x = 1,370,159,141,448.01/1,335,300.04
  6. Step 6: Final answer
    x = 1,026,105.82

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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.