Home / 1,018,930.34-1,406,130.28-637,180.58

Finding the Fourth Proportional to 1,018,930.34, 1,406,130.28 and 637,180.58

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Solution

The fourth proportional to 1,018,930.34, 1,406,130.28 and 637,180.58 is: 879,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,930.34 : 1,406,130.28 = 637,180.58 : x
  2. Step 2: Convert to fraction form
    1,018,930.34/1,406,130.28 = 637,180.58/x
  3. Step 3: Cross multiply
    1,018,930.34x = 1,406,130.28 × 637,180.58
  4. Step 4: Simplify right side
    1,018,930.34x = 895,958,907,365.96
  5. Step 5: Solve for x
    x = 895,958,907,365.96/1,018,930.34
  6. Step 6: Final answer
    x = 879,313.21

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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.