Home / 1,560,459.80-2,340,689.70-438,528.80

Finding the Fourth Proportional to 1,560,459.80, 2,340,689.70 and 438,528.80

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Solution

The fourth proportional to 1,560,459.80, 2,340,689.70 and 438,528.80 is: 657,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,459.80 : 2,340,689.70 = 438,528.80 : x
  2. Step 2: Convert to fraction form
    1,560,459.80/2,340,689.70 = 438,528.80/x
  3. Step 3: Cross multiply
    1,560,459.80x = 2,340,689.70 × 438,528.80
  4. Step 4: Simplify right side
    1,560,459.80x = 1,026,459,845,313.36
  5. Step 5: Solve for x
    x = 1,026,459,845,313.36/1,560,459.80
  6. Step 6: Final answer
    x = 657,793.20

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Double scale
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1.5x scale

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.