Home / 1,521,386.98-2,099,654.87-842,323.48

Finding the Fourth Proportional to 1,521,386.98, 2,099,654.87 and 842,323.48

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Solution

The fourth proportional to 1,521,386.98, 2,099,654.87 and 842,323.48 is: 1,162,484.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,386.98 : 2,099,654.87 = 842,323.48 : x
  2. Step 2: Convert to fraction form
    1,521,386.98/2,099,654.87 = 842,323.48/x
  3. Step 3: Cross multiply
    1,521,386.98x = 2,099,654.87 × 842,323.48
  4. Step 4: Simplify right side
    1,521,386.98x = 1,768,588,596,897.35
  5. Step 5: Solve for x
    x = 1,768,588,596,897.35/1,521,386.98
  6. Step 6: Final answer
    x = 1,162,484.38

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1.5x scale

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.