Home / 1,155,729.79-1,594,820.50-646,333.75

Finding the Fourth Proportional to 1,155,729.79, 1,594,820.50 and 646,333.75

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Solution

The fourth proportional to 1,155,729.79, 1,594,820.50 and 646,333.75 is: 891,892.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,729.79 : 1,594,820.50 = 646,333.75 : x
  2. Step 2: Convert to fraction form
    1,155,729.79/1,594,820.50 = 646,333.75/x
  3. Step 3: Cross multiply
    1,155,729.79x = 1,594,820.50 × 646,333.75
  4. Step 4: Simplify right side
    1,155,729.79x = 1,030,786,314,341.88
  5. Step 5: Solve for x
    x = 1,030,786,314,341.88/1,155,729.79
  6. Step 6: Final answer
    x = 891,892.14

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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.