Home / 1,071,370.90-1,478,509.81-587,981.03

Finding the Fourth Proportional to 1,071,370.90, 1,478,509.81 and 587,981.03

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Solution

The fourth proportional to 1,071,370.90, 1,478,509.81 and 587,981.03 is: 811,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,370.90 : 1,478,509.81 = 587,981.03 : x
  2. Step 2: Convert to fraction form
    1,071,370.90/1,478,509.81 = 587,981.03/x
  3. Step 3: Cross multiply
    1,071,370.90x = 1,478,509.81 × 587,981.03
  4. Step 4: Simplify right side
    1,071,370.90x = 869,335,712,086.40
  5. Step 5: Solve for x
    x = 869,335,712,086.40/1,071,370.90
  6. Step 6: Final answer
    x = 811,423.67

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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.