Home / 1,551,129.40-2,326,694.10-803,404.60

Finding the Fourth Proportional to 1,551,129.40, 2,326,694.10 and 803,404.60

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Solution

The fourth proportional to 1,551,129.40, 2,326,694.10 and 803,404.60 is: 1,205,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,129.40 : 2,326,694.10 = 803,404.60 : x
  2. Step 2: Convert to fraction form
    1,551,129.40/2,326,694.10 = 803,404.60/x
  3. Step 3: Cross multiply
    1,551,129.40x = 2,326,694.10 × 803,404.60
  4. Step 4: Simplify right side
    1,551,129.40x = 1,869,276,742,732.86
  5. Step 5: Solve for x
    x = 1,869,276,742,732.86/1,551,129.40
  6. Step 6: Final answer
    x = 1,205,106.90

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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.