Home / 1,557,721.80-2,336,409.90-435,904.20

Finding the Fourth Proportional to 1,557,721.80, 2,336,409.90 and 435,904.20

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Solution

The fourth proportional to 1,557,721.80, 2,336,409.90 and 435,904.20 is: 653,807.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,721.80 : 2,336,409.90 = 435,904.20 : x
  2. Step 2: Convert to fraction form
    1,557,721.80/2,336,409.90 = 435,904.20/x
  3. Step 3: Cross multiply
    1,557,721.80x = 2,336,409.90 × 435,904.20
  4. Step 4: Simplify right side
    1,557,721.80x = 1,018,450,888,331.58
  5. Step 5: Solve for x
    x = 1,018,450,888,331.58/1,557,721.80
  6. Step 6: Final answer
    x = 653,807.94

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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.