Home / 1,402,043.40-2,103,065.10-455,509.80

Finding the Fourth Proportional to 1,402,043.40, 2,103,065.10 and 455,509.80

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Solution

The fourth proportional to 1,402,043.40, 2,103,065.10 and 455,509.80 is: 683,264.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,043.40 : 2,103,065.10 = 455,509.80 : x
  2. Step 2: Convert to fraction form
    1,402,043.40/2,103,065.10 = 455,509.80/x
  3. Step 3: Cross multiply
    1,402,043.40x = 2,103,065.10 × 455,509.80
  4. Step 4: Simplify right side
    1,402,043.40x = 957,966,763,087.98
  5. Step 5: Solve for x
    x = 957,966,763,087.98/1,402,043.40
  6. Step 6: Final answer
    x = 683,264.70

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Double scale
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Similar ratio
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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.