Home / 1,668,143.60-2,302,043.08-904,200.16

Finding the Fourth Proportional to 1,668,143.60, 2,302,043.08 and 904,200.16

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Solution

The fourth proportional to 1,668,143.60, 2,302,043.08 and 904,200.16 is: 1,247,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,143.60 : 2,302,043.08 = 904,200.16 : x
  2. Step 2: Convert to fraction form
    1,668,143.60/2,302,043.08 = 904,200.16/x
  3. Step 3: Cross multiply
    1,668,143.60x = 2,302,043.08 × 904,200.16
  4. Step 4: Simplify right side
    1,668,143.60x = 2,081,507,721,262.89
  5. Step 5: Solve for x
    x = 2,081,507,721,262.89/1,668,143.60
  6. Step 6: Final answer
    x = 1,247,798.88

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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.