Home / 1,038,457.34-1,433,143.12-579,661.20

Finding the Fourth Proportional to 1,038,457.34, 1,433,143.12 and 579,661.20

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Solution

The fourth proportional to 1,038,457.34, 1,433,143.12 and 579,661.20 is: 799,972.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,457.34 : 1,433,143.12 = 579,661.20 : x
  2. Step 2: Convert to fraction form
    1,038,457.34/1,433,143.12 = 579,661.20/x
  3. Step 3: Cross multiply
    1,038,457.34x = 1,433,143.12 × 579,661.20
  4. Step 4: Simplify right side
    1,038,457.34x = 830,737,460,710.94
  5. Step 5: Solve for x
    x = 830,737,460,710.94/1,038,457.34
  6. Step 6: Final answer
    x = 799,972.64

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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.