Home / 1,557,518.10-2,331,611.55-926,106.90

Finding the Fourth Proportional to 1,557,518.10, 2,331,611.55 and 926,106.90

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Solution

The fourth proportional to 1,557,518.10, 2,331,611.55 and 926,106.90 is: 1,386,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,518.10 : 2,331,611.55 = 926,106.90 : x
  2. Step 2: Convert to fraction form
    1,557,518.10/2,331,611.55 = 926,106.90/x
  3. Step 3: Cross multiply
    1,557,518.10x = 2,331,611.55 × 926,106.90
  4. Step 4: Simplify right side
    1,557,518.10x = 2,159,321,544,574.69
  5. Step 5: Solve for x
    x = 2,159,321,544,574.69/1,557,518.10
  6. Step 6: Final answer
    x = 1,386,386.16

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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.