Home / 1,248,698.80-1,873,048.20-450,006.40

Finding the Fourth Proportional to 1,248,698.80, 1,873,048.20 and 450,006.40

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Solution

The fourth proportional to 1,248,698.80, 1,873,048.20 and 450,006.40 is: 675,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,698.80 : 1,873,048.20 = 450,006.40 : x
  2. Step 2: Convert to fraction form
    1,248,698.80/1,873,048.20 = 450,006.40/x
  3. Step 3: Cross multiply
    1,248,698.80x = 1,873,048.20 × 450,006.40
  4. Step 4: Simplify right side
    1,248,698.80x = 842,883,677,508.48
  5. Step 5: Solve for x
    x = 842,883,677,508.48/1,248,698.80
  6. Step 6: Final answer
    x = 675,009.60

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Double scale
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Similar ratio
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1.5x scale

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.