Home / 876,352.20-1,314,528.30-745,715.40

Finding the Fourth Proportional to 876,352.20, 1,314,528.30 and 745,715.40

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Solution

The fourth proportional to 876,352.20, 1,314,528.30 and 745,715.40 is: 1,118,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,352.20 : 1,314,528.30 = 745,715.40 : x
  2. Step 2: Convert to fraction form
    876,352.20/1,314,528.30 = 745,715.40/x
  3. Step 3: Cross multiply
    876,352.20x = 1,314,528.30 × 745,715.40
  4. Step 4: Simplify right side
    876,352.20x = 980,263,997,045.82
  5. Step 5: Solve for x
    x = 980,263,997,045.82/876,352.20
  6. Step 6: Final answer
    x = 1,118,573.10

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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.