Home / 1,243,459.90-1,865,189.67-344,901.63

Finding the Fourth Proportional to 1,243,459.90, 1,865,189.67 and 344,901.63

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Solution

The fourth proportional to 1,243,459.90, 1,865,189.67 and 344,901.63 is: 517,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,459.90 : 1,865,189.67 = 344,901.63 : x
  2. Step 2: Convert to fraction form
    1,243,459.90/1,865,189.67 = 344,901.63/x
  3. Step 3: Cross multiply
    1,243,459.90x = 1,865,189.67 × 344,901.63
  4. Step 4: Simplify right side
    1,243,459.90x = 643,306,957,442.16
  5. Step 5: Solve for x
    x = 643,306,957,442.16/1,243,459.90
  6. Step 6: Final answer
    x = 517,352.40

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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.