Home / 1,048,222.31-1,572,368.40-290,000.25

Finding the Fourth Proportional to 1,048,222.31, 1,572,368.40 and 290,000.25

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Solution

The fourth proportional to 1,048,222.31, 1,572,368.40 and 290,000.25 is: 435,010.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,222.31 : 1,572,368.40 = 290,000.25 : x
  2. Step 2: Convert to fraction form
    1,048,222.31/1,572,368.40 = 290,000.25/x
  3. Step 3: Cross multiply
    1,048,222.31x = 1,572,368.40 × 290,000.25
  4. Step 4: Simplify right side
    1,048,222.31x = 455,987,219,780.26
  5. Step 5: Solve for x
    x = 455,987,219,780.26/1,048,222.31
  6. Step 6: Final answer
    x = 435,010.03

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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.