Home / 1,048,978.16-1,447,819.08-666,930.32

Finding the Fourth Proportional to 1,048,978.16, 1,447,819.08 and 666,930.32

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Solution

The fourth proportional to 1,048,978.16, 1,447,819.08 and 666,930.32 is: 920,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,978.16 : 1,447,819.08 = 666,930.32 : x
  2. Step 2: Convert to fraction form
    1,048,978.16/1,447,819.08 = 666,930.32/x
  3. Step 3: Cross multiply
    1,048,978.16x = 1,447,819.08 × 666,930.32
  4. Step 4: Simplify right side
    1,048,978.16x = 965,594,442,326.51
  5. Step 5: Solve for x
    x = 965,594,442,326.51/1,048,978.16
  6. Step 6: Final answer
    x = 920,509.58

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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.