Home / 1,038,681.80-1,557,731.10-328,927.40

Finding the Fourth Proportional to 1,038,681.80, 1,557,731.10 and 328,927.40

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Solution

The fourth proportional to 1,038,681.80, 1,557,731.10 and 328,927.40 is: 493,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,681.80 : 1,557,731.10 = 328,927.40 : x
  2. Step 2: Convert to fraction form
    1,038,681.80/1,557,731.10 = 328,927.40/x
  3. Step 3: Cross multiply
    1,038,681.80x = 1,557,731.10 × 328,927.40
  4. Step 4: Simplify right side
    1,038,681.80x = 512,380,440,622.14
  5. Step 5: Solve for x
    x = 512,380,440,622.14/1,038,681.80
  6. Step 6: Final answer
    x = 493,298.76

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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.