Home / 977,623.10-1,466,434.65-830,000.60

Finding the Fourth Proportional to 977,623.10, 1,466,434.65 and 830,000.60

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Solution

The fourth proportional to 977,623.10, 1,466,434.65 and 830,000.60 is: 1,245,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,623.10 : 1,466,434.65 = 830,000.60 : x
  2. Step 2: Convert to fraction form
    977,623.10/1,466,434.65 = 830,000.60/x
  3. Step 3: Cross multiply
    977,623.10x = 1,466,434.65 × 830,000.60
  4. Step 4: Simplify right side
    977,623.10x = 1,217,141,639,360.79
  5. Step 5: Solve for x
    x = 1,217,141,639,360.79/977,623.10
  6. Step 6: Final answer
    x = 1,245,000.90

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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.