Home / 1,000,429.48-1,377,681.51-869,548.47

Finding the Fourth Proportional to 1,000,429.48, 1,377,681.51 and 869,548.47

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Solution

The fourth proportional to 1,000,429.48, 1,377,681.51 and 869,548.47 is: 1,197,446.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,429.48 : 1,377,681.51 = 869,548.47 : x
  2. Step 2: Convert to fraction form
    1,000,429.48/1,377,681.51 = 869,548.47/x
  3. Step 3: Cross multiply
    1,000,429.48x = 1,377,681.51 × 869,548.47
  4. Step 4: Simplify right side
    1,000,429.48x = 1,197,960,847,262.29
  5. Step 5: Solve for x
    x = 1,197,960,847,262.29/1,000,429.48
  6. Step 6: Final answer
    x = 1,197,446.57

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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.