Home / 1,036,389.47-1,553,404.96-630,686.89

Finding the Fourth Proportional to 1,036,389.47, 1,553,404.96 and 630,686.89

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Solution

The fourth proportional to 1,036,389.47, 1,553,404.96 and 630,686.89 is: 945,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,389.47 : 1,553,404.96 = 630,686.89 : x
  2. Step 2: Convert to fraction form
    1,036,389.47/1,553,404.96 = 630,686.89/x
  3. Step 3: Cross multiply
    1,036,389.47x = 1,553,404.96 × 630,686.89
  4. Step 4: Simplify right side
    1,036,389.47x = 979,712,143,132.97
  5. Step 5: Solve for x
    x = 979,712,143,132.97/1,036,389.47
  6. Step 6: Final answer
    x = 945,312.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.