Home / 977,210.20-1,465,815.30-837,242.20

Finding the Fourth Proportional to 977,210.20, 1,465,815.30 and 837,242.20

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Solution

The fourth proportional to 977,210.20, 1,465,815.30 and 837,242.20 is: 1,255,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,210.20 : 1,465,815.30 = 837,242.20 : x
  2. Step 2: Convert to fraction form
    977,210.20/1,465,815.30 = 837,242.20/x
  3. Step 3: Cross multiply
    977,210.20x = 1,465,815.30 × 837,242.20
  4. Step 4: Simplify right side
    977,210.20x = 1,227,242,426,565.66
  5. Step 5: Solve for x
    x = 1,227,242,426,565.66/977,210.20
  6. Step 6: Final answer
    x = 1,255,863.30

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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.