Home / 1,347,434.89-2,021,038.47-436,598.08

Finding the Fourth Proportional to 1,347,434.89, 2,021,038.47 and 436,598.08

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Solution

The fourth proportional to 1,347,434.89, 2,021,038.47 and 436,598.08 is: 654,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,434.89 : 2,021,038.47 = 436,598.08 : x
  2. Step 2: Convert to fraction form
    1,347,434.89/2,021,038.47 = 436,598.08/x
  3. Step 3: Cross multiply
    1,347,434.89x = 2,021,038.47 × 436,598.08
  4. Step 4: Simplify right side
    1,347,434.89x = 882,381,515,608.14
  5. Step 5: Solve for x
    x = 882,381,515,608.14/1,347,434.89
  6. Step 6: Final answer
    x = 654,860.23

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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.