Home / 1,018,932.34-1,406,133.04-637,182.58

Finding the Fourth Proportional to 1,018,932.34, 1,406,133.04 and 637,182.58

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Solution

The fourth proportional to 1,018,932.34, 1,406,133.04 and 637,182.58 is: 879,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,932.34 : 1,406,133.04 = 637,182.58 : x
  2. Step 2: Convert to fraction form
    1,018,932.34/1,406,133.04 = 637,182.58/x
  3. Step 3: Cross multiply
    1,018,932.34x = 1,406,133.04 × 637,182.58
  4. Step 4: Simplify right side
    1,018,932.34x = 895,963,478,250.44
  5. Step 5: Solve for x
    x = 895,963,478,250.44/1,018,932.34
  6. Step 6: Final answer
    x = 879,315.97

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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.