Home / 1,587,763.29-2,191,070.69-934,427.76

Finding the Fourth Proportional to 1,587,763.29, 2,191,070.69 and 934,427.76

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Solution

The fourth proportional to 1,587,763.29, 2,191,070.69 and 934,427.76 is: 1,289,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,763.29 : 2,191,070.69 = 934,427.76 : x
  2. Step 2: Convert to fraction form
    1,587,763.29/2,191,070.69 = 934,427.76/x
  3. Step 3: Cross multiply
    1,587,763.29x = 2,191,070.69 × 934,427.76
  4. Step 4: Simplify right side
    1,587,763.29x = 2,047,397,267,473.80
  5. Step 5: Solve for x
    x = 2,047,397,267,473.80/1,587,763.29
  6. Step 6: Final answer
    x = 1,289,485.20

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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.