Home / 1,353,354.08-1,867,557.28-772,554.16

Finding the Fourth Proportional to 1,353,354.08, 1,867,557.28 and 772,554.16

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Solution

The fourth proportional to 1,353,354.08, 1,867,557.28 and 772,554.16 is: 1,066,084.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,354.08 : 1,867,557.28 = 772,554.16 : x
  2. Step 2: Convert to fraction form
    1,353,354.08/1,867,557.28 = 772,554.16/x
  3. Step 3: Cross multiply
    1,353,354.08x = 1,867,557.28 × 772,554.16
  4. Step 4: Simplify right side
    1,353,354.08x = 1,442,789,145,702.29
  5. Step 5: Solve for x
    x = 1,442,789,145,702.29/1,353,354.08
  6. Step 6: Final answer
    x = 1,066,084.01

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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.