Home / 1,118,360.47-1,543,381.14-634,970.59

Finding the Fourth Proportional to 1,118,360.47, 1,543,381.14 and 634,970.59

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Solution

The fourth proportional to 1,118,360.47, 1,543,381.14 and 634,970.59 is: 876,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,360.47 : 1,543,381.14 = 634,970.59 : x
  2. Step 2: Convert to fraction form
    1,118,360.47/1,543,381.14 = 634,970.59/x
  3. Step 3: Cross multiply
    1,118,360.47x = 1,543,381.14 × 634,970.59
  4. Step 4: Simplify right side
    1,118,360.47x = 980,001,633,060.67
  5. Step 5: Solve for x
    x = 980,001,633,060.67/1,118,360.47
  6. Step 6: Final answer
    x = 876,284.22

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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.