Home / 1,488,610.70-2,232,916.05-778,856.30

Finding the Fourth Proportional to 1,488,610.70, 2,232,916.05 and 778,856.30

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Solution

The fourth proportional to 1,488,610.70, 2,232,916.05 and 778,856.30 is: 1,168,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,610.70 : 2,232,916.05 = 778,856.30 : x
  2. Step 2: Convert to fraction form
    1,488,610.70/2,232,916.05 = 778,856.30/x
  3. Step 3: Cross multiply
    1,488,610.70x = 2,232,916.05 × 778,856.30
  4. Step 4: Simplify right side
    1,488,610.70x = 1,739,120,732,913.62
  5. Step 5: Solve for x
    x = 1,739,120,732,913.62/1,488,610.70
  6. Step 6: Final answer
    x = 1,168,284.45

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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.