Home / 1,118,435.61-1,543,386.13-634,937.30

Finding the Fourth Proportional to 1,118,435.61, 1,543,386.13 and 634,937.30

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Solution

The fourth proportional to 1,118,435.61, 1,543,386.13 and 634,937.30 is: 876,182.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,435.61 : 1,543,386.13 = 634,937.30 : x
  2. Step 2: Convert to fraction form
    1,118,435.61/1,543,386.13 = 634,937.30/x
  3. Step 3: Cross multiply
    1,118,435.61x = 1,543,386.13 × 634,937.30
  4. Step 4: Simplify right side
    1,118,435.61x = 979,953,422,239.65
  5. Step 5: Solve for x
    x = 979,953,422,239.65/1,118,435.61
  6. Step 6: Final answer
    x = 876,182.24

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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.