Home / 1,559,577.40-2,155,176.21-1,125,419.63

Finding the Fourth Proportional to 1,559,577.40, 2,155,176.21 and 1,125,419.63

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Solution

The fourth proportional to 1,559,577.40, 2,155,176.21 and 1,125,419.63 is: 1,555,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,577.40 : 2,155,176.21 = 1,125,419.63 : x
  2. Step 2: Convert to fraction form
    1,559,577.40/2,155,176.21 = 1,125,419.63/x
  3. Step 3: Cross multiply
    1,559,577.40x = 2,155,176.21 × 1,125,419.63
  4. Step 4: Simplify right side
    1,559,577.40x = 2,425,477,615,656.55
  5. Step 5: Solve for x
    x = 2,425,477,615,656.55/1,559,577.40
  6. Step 6: Final answer
    x = 1,555,214.64

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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.