Home / 1,528,071.72-2,108,795.88-916,324.08

Finding the Fourth Proportional to 1,528,071.72, 2,108,795.88 and 916,324.08

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Solution

The fourth proportional to 1,528,071.72, 2,108,795.88 and 916,324.08 is: 1,264,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,071.72 : 2,108,795.88 = 916,324.08 : x
  2. Step 2: Convert to fraction form
    1,528,071.72/2,108,795.88 = 916,324.08/x
  3. Step 3: Cross multiply
    1,528,071.72x = 2,108,795.88 × 916,324.08
  4. Step 4: Simplify right side
    1,528,071.72x = 1,932,340,444,648.79
  5. Step 5: Solve for x
    x = 1,932,340,444,648.79/1,528,071.72
  6. Step 6: Final answer
    x = 1,264,561.35

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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.