Home / 977,134.40-1,465,701.60-939,809.60

Finding the Fourth Proportional to 977,134.40, 1,465,701.60 and 939,809.60

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Solution

The fourth proportional to 977,134.40, 1,465,701.60 and 939,809.60 is: 1,409,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,134.40 : 1,465,701.60 = 939,809.60 : x
  2. Step 2: Convert to fraction form
    977,134.40/1,465,701.60 = 939,809.60/x
  3. Step 3: Cross multiply
    977,134.40x = 1,465,701.60 × 939,809.60
  4. Step 4: Simplify right side
    977,134.40x = 1,377,480,434,415.36
  5. Step 5: Solve for x
    x = 1,377,480,434,415.36/977,134.40
  6. Step 6: Final answer
    x = 1,409,714.40

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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.