Home / 1,032,830.65-1,425,475.40-860,475.30

Finding the Fourth Proportional to 1,032,830.65, 1,425,475.40 and 860,475.30

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Solution

The fourth proportional to 1,032,830.65, 1,425,475.40 and 860,475.30 is: 1,187,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032,830.65 : 1,425,475.40 = 860,475.30 : x
  2. Step 2: Convert to fraction form
    1,032,830.65/1,425,475.40 = 860,475.30/x
  3. Step 3: Cross multiply
    1,032,830.65x = 1,425,475.40 × 860,475.30
  4. Step 4: Simplify right side
    1,032,830.65x = 1,226,586,372,457.62
  5. Step 5: Solve for x
    x = 1,226,586,372,457.62/1,032,830.65
  6. Step 6: Final answer
    x = 1,187,596.80

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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.