Home / 1,525,678.83-2,105,463.51-837,415.08

Finding the Fourth Proportional to 1,525,678.83, 2,105,463.51 and 837,415.08

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Solution

The fourth proportional to 1,525,678.83, 2,105,463.51 and 837,415.08 is: 1,155,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,678.83 : 2,105,463.51 = 837,415.08 : x
  2. Step 2: Convert to fraction form
    1,525,678.83/2,105,463.51 = 837,415.08/x
  3. Step 3: Cross multiply
    1,525,678.83x = 2,105,463.51 × 837,415.08
  4. Step 4: Simplify right side
    1,525,678.83x = 1,763,146,893,663.73
  5. Step 5: Solve for x
    x = 1,763,146,893,663.73/1,525,678.83
  6. Step 6: Final answer
    x = 1,155,647.48

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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.