Home / 753,742.80-1,130,614.20-745,869.60

Finding the Fourth Proportional to 753,742.80, 1,130,614.20 and 745,869.60

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Solution

The fourth proportional to 753,742.80, 1,130,614.20 and 745,869.60 is: 1,118,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,742.80 : 1,130,614.20 = 745,869.60 : x
  2. Step 2: Convert to fraction form
    753,742.80/1,130,614.20 = 745,869.60/x
  3. Step 3: Cross multiply
    753,742.80x = 1,130,614.20 × 745,869.60
  4. Step 4: Simplify right side
    753,742.80x = 843,290,761,108.32
  5. Step 5: Solve for x
    x = 843,290,761,108.32/753,742.80
  6. Step 6: Final answer
    x = 1,118,804.40

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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.