Home / 1,070,478.52-1,606,366-430,924.40

Finding the Fourth Proportional to 1,070,478.52, 1,606,366 and 430,924.40

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Solution

The fourth proportional to 1,070,478.52, 1,606,366 and 430,924.40 is: 646,647.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,478.52 : 1,606,366 = 430,924.40 : x
  2. Step 2: Convert to fraction form
    1,070,478.52/1,606,366 = 430,924.40/x
  3. Step 3: Cross multiply
    1,070,478.52x = 1,606,366 × 430,924.40
  4. Step 4: Simplify right side
    1,070,478.52x = 692,222,304,730.40
  5. Step 5: Solve for x
    x = 692,222,304,730.40/1,070,478.52
  6. Step 6: Final answer
    x = 646,647.54

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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.