Home / 1,249,202.28-1,870,965.54-977,638.44

Finding the Fourth Proportional to 1,249,202.28, 1,870,965.54 and 977,638.44

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Solution

The fourth proportional to 1,249,202.28, 1,870,965.54 and 977,638.44 is: 1,464,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,202.28 : 1,870,965.54 = 977,638.44 : x
  2. Step 2: Convert to fraction form
    1,249,202.28/1,870,965.54 = 977,638.44/x
  3. Step 3: Cross multiply
    1,249,202.28x = 1,870,965.54 × 977,638.44
  4. Step 4: Simplify right side
    1,249,202.28x = 1,829,127,831,819.36
  5. Step 5: Solve for x
    x = 1,829,127,831,819.36/1,249,202.28
  6. Step 6: Final answer
    x = 1,464,236.71

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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.