Home / 977,426.61-1,466,384.07-689,799.66

Finding the Fourth Proportional to 977,426.61, 1,466,384.07 and 689,799.66

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Solution

The fourth proportional to 977,426.61, 1,466,384.07 and 689,799.66 is: 1,034,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,426.61 : 1,466,384.07 = 689,799.66 : x
  2. Step 2: Convert to fraction form
    977,426.61/1,466,384.07 = 689,799.66/x
  3. Step 3: Cross multiply
    977,426.61x = 1,466,384.07 × 689,799.66
  4. Step 4: Simplify right side
    977,426.61x = 1,011,511,232,915.42
  5. Step 5: Solve for x
    x = 1,011,511,232,915.42/977,426.61
  6. Step 6: Final answer
    x = 1,034,871.80

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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.