Home / 1,121,624.13-1,547,833.41-612,326.51

Finding the Fourth Proportional to 1,121,624.13, 1,547,833.41 and 612,326.51

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Solution

The fourth proportional to 1,121,624.13, 1,547,833.41 and 612,326.51 is: 845,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,624.13 : 1,547,833.41 = 612,326.51 : x
  2. Step 2: Convert to fraction form
    1,121,624.13/1,547,833.41 = 612,326.51/x
  3. Step 3: Cross multiply
    1,121,624.13x = 1,547,833.41 × 612,326.51
  4. Step 4: Simplify right side
    1,121,624.13x = 947,779,430,006.70
  5. Step 5: Solve for x
    x = 947,779,430,006.70/1,121,624.13
  6. Step 6: Final answer
    x = 845,006.28

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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.