Home / 1,186,429.88-1,637,374.06-670,278.58

Finding the Fourth Proportional to 1,186,429.88, 1,637,374.06 and 670,278.58

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Solution

The fourth proportional to 1,186,429.88, 1,637,374.06 and 670,278.58 is: 925,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,429.88 : 1,637,374.06 = 670,278.58 : x
  2. Step 2: Convert to fraction form
    1,186,429.88/1,637,374.06 = 670,278.58/x
  3. Step 3: Cross multiply
    1,186,429.88x = 1,637,374.06 × 670,278.58
  4. Step 4: Simplify right side
    1,186,429.88x = 1,097,496,759,865.63
  5. Step 5: Solve for x
    x = 1,097,496,759,865.63/1,186,429.88
  6. Step 6: Final answer
    x = 925,041.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.