Home / 1,070,075.70-1,605,186.45-340,541.10

Finding the Fourth Proportional to 1,070,075.70, 1,605,186.45 and 340,541.10

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Solution

The fourth proportional to 1,070,075.70, 1,605,186.45 and 340,541.10 is: 510,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,075.70 : 1,605,186.45 = 340,541.10 : x
  2. Step 2: Convert to fraction form
    1,070,075.70/1,605,186.45 = 340,541.10/x
  3. Step 3: Cross multiply
    1,070,075.70x = 1,605,186.45 × 340,541.10
  4. Step 4: Simplify right side
    1,070,075.70x = 546,631,959,388.10
  5. Step 5: Solve for x
    x = 546,631,959,388.10/1,070,075.70
  6. Step 6: Final answer
    x = 510,834.85

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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.