Home / 1,553,349.87-2,142,518.59-1,036,843.35

Finding the Fourth Proportional to 1,553,349.87, 2,142,518.59 and 1,036,843.35

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Solution

The fourth proportional to 1,553,349.87, 2,142,518.59 and 1,036,843.35 is: 1,430,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,349.87 : 2,142,518.59 = 1,036,843.35 : x
  2. Step 2: Convert to fraction form
    1,553,349.87/2,142,518.59 = 1,036,843.35/x
  3. Step 3: Cross multiply
    1,553,349.87x = 2,142,518.59 × 1,036,843.35
  4. Step 4: Simplify right side
    1,553,349.87x = 2,221,456,145,554.49
  5. Step 5: Solve for x
    x = 2,221,456,145,554.49/1,553,349.87
  6. Step 6: Final answer
    x = 1,430,106.76

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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.