Home / 1,037,990.70-1,556,986.05-290,036.70

Finding the Fourth Proportional to 1,037,990.70, 1,556,986.05 and 290,036.70

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Solution

The fourth proportional to 1,037,990.70, 1,556,986.05 and 290,036.70 is: 435,055.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,990.70 : 1,556,986.05 = 290,036.70 : x
  2. Step 2: Convert to fraction form
    1,037,990.70/1,556,986.05 = 290,036.70/x
  3. Step 3: Cross multiply
    1,037,990.70x = 1,556,986.05 × 290,036.70
  4. Step 4: Simplify right side
    1,037,990.70x = 451,583,095,888.04
  5. Step 5: Solve for x
    x = 451,583,095,888.04/1,037,990.70
  6. Step 6: Final answer
    x = 435,055.05

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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.