Home / 1,670,775.17-2,305,672.02-906,828.80

Finding the Fourth Proportional to 1,670,775.17, 2,305,672.02 and 906,828.80

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Solution

The fourth proportional to 1,670,775.17, 2,305,672.02 and 906,828.80 is: 1,251,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,775.17 : 2,305,672.02 = 906,828.80 : x
  2. Step 2: Convert to fraction form
    1,670,775.17/2,305,672.02 = 906,828.80/x
  3. Step 3: Cross multiply
    1,670,775.17x = 2,305,672.02 × 906,828.80
  4. Step 4: Simplify right side
    1,670,775.17x = 2,090,849,779,561.82
  5. Step 5: Solve for x
    x = 2,090,849,779,561.82/1,670,775.17
  6. Step 6: Final answer
    x = 1,251,424.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.