Home / 1,556,490.08-2,148,290.28-983,165.60

Finding the Fourth Proportional to 1,556,490.08, 2,148,290.28 and 983,165.60

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Solution

The fourth proportional to 1,556,490.08, 2,148,290.28 and 983,165.60 is: 1,356,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,490.08 : 2,148,290.28 = 983,165.60 : x
  2. Step 2: Convert to fraction form
    1,556,490.08/2,148,290.28 = 983,165.60/x
  3. Step 3: Cross multiply
    1,556,490.08x = 2,148,290.28 × 983,165.60
  4. Step 4: Simplify right side
    1,556,490.08x = 2,112,125,102,110.37
  5. Step 5: Solve for x
    x = 2,112,125,102,110.37/1,556,490.08
  6. Step 6: Final answer
    x = 1,356,979.48

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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.