Home / 1,326,603.60-1,989,905.40-848,306.70

Finding the Fourth Proportional to 1,326,603.60, 1,989,905.40 and 848,306.70

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Solution

The fourth proportional to 1,326,603.60, 1,989,905.40 and 848,306.70 is: 1,272,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,603.60 : 1,989,905.40 = 848,306.70 : x
  2. Step 2: Convert to fraction form
    1,326,603.60/1,989,905.40 = 848,306.70/x
  3. Step 3: Cross multiply
    1,326,603.60x = 1,989,905.40 × 848,306.70
  4. Step 4: Simplify right side
    1,326,603.60x = 1,688,050,083,186.18
  5. Step 5: Solve for x
    x = 1,688,050,083,186.18/1,326,603.60
  6. Step 6: Final answer
    x = 1,272,460.05

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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.