Home / 1,157,584.32-1,736,442.09-358,979.40

Finding the Fourth Proportional to 1,157,584.32, 1,736,442.09 and 358,979.40

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Solution

The fourth proportional to 1,157,584.32, 1,736,442.09 and 358,979.40 is: 538,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,584.32 : 1,736,442.09 = 358,979.40 : x
  2. Step 2: Convert to fraction form
    1,157,584.32/1,736,442.09 = 358,979.40/x
  3. Step 3: Cross multiply
    1,157,584.32x = 1,736,442.09 × 358,979.40
  4. Step 4: Simplify right side
    1,157,584.32x = 623,346,943,944.05
  5. Step 5: Solve for x
    x = 623,346,943,944.05/1,157,584.32
  6. Step 6: Final answer
    x = 538,489.45

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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.