Home / 841,419.21-1,161,159.98-459,437.85

Finding the Fourth Proportional to 841,419.21, 1,161,159.98 and 459,437.85

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Solution

The fourth proportional to 841,419.21, 1,161,159.98 and 459,437.85 is: 634,025.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,419.21 : 1,161,159.98 = 459,437.85 : x
  2. Step 2: Convert to fraction form
    841,419.21/1,161,159.98 = 459,437.85/x
  3. Step 3: Cross multiply
    841,419.21x = 1,161,159.98 × 459,437.85
  4. Step 4: Simplify right side
    841,419.21x = 533,480,842,420.05
  5. Step 5: Solve for x
    x = 533,480,842,420.05/841,419.21
  6. Step 6: Final answer
    x = 634,025.03

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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.