Home / 1,326,603.10-1,989,904.65-848,306.20

Finding the Fourth Proportional to 1,326,603.10, 1,989,904.65 and 848,306.20

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Solution

The fourth proportional to 1,326,603.10, 1,989,904.65 and 848,306.20 is: 1,272,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,603.10 : 1,989,904.65 = 848,306.20 : x
  2. Step 2: Convert to fraction form
    1,326,603.10/1,989,904.65 = 848,306.20/x
  3. Step 3: Cross multiply
    1,326,603.10x = 1,989,904.65 × 848,306.20
  4. Step 4: Simplify right side
    1,326,603.10x = 1,688,048,452,003.83
  5. Step 5: Solve for x
    x = 1,688,048,452,003.83/1,326,603.10
  6. Step 6: Final answer
    x = 1,272,459.30

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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.