Home / 1,038,966.21-1,558,434.69-328,994.01

Finding the Fourth Proportional to 1,038,966.21, 1,558,434.69 and 328,994.01

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Solution

The fourth proportional to 1,038,966.21, 1,558,434.69 and 328,994.01 is: 493,486.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,966.21 : 1,558,434.69 = 328,994.01 : x
  2. Step 2: Convert to fraction form
    1,038,966.21/1,558,434.69 = 328,994.01/x
  3. Step 3: Cross multiply
    1,038,966.21x = 1,558,434.69 × 328,994.01
  4. Step 4: Simplify right side
    1,038,966.21x = 512,715,677,986.21
  5. Step 5: Solve for x
    x = 512,715,677,986.21/1,038,966.21
  6. Step 6: Final answer
    x = 493,486.38

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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.