Home / 1,488,519.60-2,232,779.40-742,023.60

Finding the Fourth Proportional to 1,488,519.60, 2,232,779.40 and 742,023.60

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Solution

The fourth proportional to 1,488,519.60, 2,232,779.40 and 742,023.60 is: 1,113,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,519.60 : 2,232,779.40 = 742,023.60 : x
  2. Step 2: Convert to fraction form
    1,488,519.60/2,232,779.40 = 742,023.60/x
  3. Step 3: Cross multiply
    1,488,519.60x = 2,232,779.40 × 742,023.60
  4. Step 4: Simplify right side
    1,488,519.60x = 1,656,775,008,393.84
  5. Step 5: Solve for x
    x = 1,656,775,008,393.84/1,488,519.60
  6. Step 6: Final answer
    x = 1,113,035.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.