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Finding the Fourth Proportional to 977,526, 1,348,506.54 and 848,283.12

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Solution

The fourth proportional to 977,526, 1,348,506.54 and 848,283.12 is: 1,170,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,526 : 1,348,506.54 = 848,283.12 : x
  2. Step 2: Convert to fraction form
    977,526/1,348,506.54 = 848,283.12/x
  3. Step 3: Cross multiply
    977,526x = 1,348,506.54 × 848,283.12
  4. Step 4: Simplify right side
    977,526x = 1,143,915,335,091.60
  5. Step 5: Solve for x
    x = 1,143,915,335,091.60/977,526
  6. Step 6: Final answer
    x = 1,170,214.74

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1.5x scale

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.