Home / 1,806,328.60-2,709,492.90-742,134.40

Finding the Fourth Proportional to 1,806,328.60, 2,709,492.90 and 742,134.40

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Solution

The fourth proportional to 1,806,328.60, 2,709,492.90 and 742,134.40 is: 1,113,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,328.60 : 2,709,492.90 = 742,134.40 : x
  2. Step 2: Convert to fraction form
    1,806,328.60/2,709,492.90 = 742,134.40/x
  3. Step 3: Cross multiply
    1,806,328.60x = 2,709,492.90 × 742,134.40
  4. Step 4: Simplify right side
    1,806,328.60x = 2,010,807,887,645.76
  5. Step 5: Solve for x
    x = 2,010,807,887,645.76/1,806,328.60
  6. Step 6: Final answer
    x = 1,113,201.60

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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.