Home / 977,783.40-1,466,675.10-859,685.40

Finding the Fourth Proportional to 977,783.40, 1,466,675.10 and 859,685.40

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Solution

The fourth proportional to 977,783.40, 1,466,675.10 and 859,685.40 is: 1,289,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,783.40 : 1,466,675.10 = 859,685.40 : x
  2. Step 2: Convert to fraction form
    977,783.40/1,466,675.10 = 859,685.40/x
  3. Step 3: Cross multiply
    977,783.40x = 1,466,675.10 × 859,685.40
  4. Step 4: Simplify right side
    977,783.40x = 1,260,879,170,013.54
  5. Step 5: Solve for x
    x = 1,260,879,170,013.54/977,783.40
  6. Step 6: Final answer
    x = 1,289,528.10

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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.