Home / 1,662,041.36-2,292,815.40-1,088,829.20

Finding the Fourth Proportional to 1,662,041.36, 2,292,815.40 and 1,088,829.20

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Solution

The fourth proportional to 1,662,041.36, 2,292,815.40 and 1,088,829.20 is: 1,502,059.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,041.36 : 2,292,815.40 = 1,088,829.20 : x
  2. Step 2: Convert to fraction form
    1,662,041.36/2,292,815.40 = 1,088,829.20/x
  3. Step 3: Cross multiply
    1,662,041.36x = 2,292,815.40 × 1,088,829.20
  4. Step 4: Simplify right side
    1,662,041.36x = 2,496,484,357,729.68
  5. Step 5: Solve for x
    x = 2,496,484,357,729.68/1,662,041.36
  6. Step 6: Final answer
    x = 1,502,059.11

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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.