Home / 1,423,580.55-1,964,541.06-779,000.82

Finding the Fourth Proportional to 1,423,580.55, 1,964,541.06 and 779,000.82

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Solution

The fourth proportional to 1,423,580.55, 1,964,541.06 and 779,000.82 is: 1,075,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,580.55 : 1,964,541.06 = 779,000.82 : x
  2. Step 2: Convert to fraction form
    1,423,580.55/1,964,541.06 = 779,000.82/x
  3. Step 3: Cross multiply
    1,423,580.55x = 1,964,541.06 × 779,000.82
  4. Step 4: Simplify right side
    1,423,580.55x = 1,530,379,096,663.67
  5. Step 5: Solve for x
    x = 1,530,379,096,663.67/1,423,580.55
  6. Step 6: Final answer
    x = 1,075,021.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.