Home / 977,710.40-1,466,565.60-820,246.40

Finding the Fourth Proportional to 977,710.40, 1,466,565.60 and 820,246.40

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Solution

The fourth proportional to 977,710.40, 1,466,565.60 and 820,246.40 is: 1,230,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,710.40 : 1,466,565.60 = 820,246.40 : x
  2. Step 2: Convert to fraction form
    977,710.40/1,466,565.60 = 820,246.40/x
  3. Step 3: Cross multiply
    977,710.40x = 1,466,565.60 × 820,246.40
  4. Step 4: Simplify right side
    977,710.40x = 1,202,945,153,763.84
  5. Step 5: Solve for x
    x = 1,202,945,153,763.84/977,710.40
  6. Step 6: Final answer
    x = 1,230,369.60

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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.