Home / 1,000,303.29-1,377,510.30-869,423.49

Finding the Fourth Proportional to 1,000,303.29, 1,377,510.30 and 869,423.49

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Solution

The fourth proportional to 1,000,303.29, 1,377,510.30 and 869,423.49 is: 1,197,276.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,303.29 : 1,377,510.30 = 869,423.49 : x
  2. Step 2: Convert to fraction form
    1,000,303.29/1,377,510.30 = 869,423.49/x
  3. Step 3: Cross multiply
    1,000,303.29x = 1,377,510.30 × 869,423.49
  4. Step 4: Simplify right side
    1,000,303.29x = 1,197,639,812,536.95
  5. Step 5: Solve for x
    x = 1,197,639,812,536.95/1,000,303.29
  6. Step 6: Final answer
    x = 1,197,276.69

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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.