Home / 1,030,901.60-1,424,006.88-859,379.84

Finding the Fourth Proportional to 1,030,901.60, 1,424,006.88 and 859,379.84

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Solution

The fourth proportional to 1,030,901.60, 1,424,006.88 and 859,379.84 is: 1,187,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,901.60 : 1,424,006.88 = 859,379.84 : x
  2. Step 2: Convert to fraction form
    1,030,901.60/1,424,006.88 = 859,379.84/x
  3. Step 3: Cross multiply
    1,030,901.60x = 1,424,006.88 × 859,379.84
  4. Step 4: Simplify right side
    1,030,901.60x = 1,223,762,804,693.30
  5. Step 5: Solve for x
    x = 1,223,762,804,693.30/1,030,901.60
  6. Step 6: Final answer
    x = 1,187,080.13

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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.