Home / 977,135.40-1,465,703.10-819,671.40

Finding the Fourth Proportional to 977,135.40, 1,465,703.10 and 819,671.40

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Solution

The fourth proportional to 977,135.40, 1,465,703.10 and 819,671.40 is: 1,229,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,135.40 : 1,465,703.10 = 819,671.40 : x
  2. Step 2: Convert to fraction form
    977,135.40/1,465,703.10 = 819,671.40/x
  3. Step 3: Cross multiply
    977,135.40x = 1,465,703.10 × 819,671.40
  4. Step 4: Simplify right side
    977,135.40x = 1,201,394,911,961.34
  5. Step 5: Solve for x
    x = 1,201,394,911,961.34/977,135.40
  6. Step 6: Final answer
    x = 1,229,507.10

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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.