Home / 1,038,510.90-1,554,310.35-753,390.90

Finding the Fourth Proportional to 1,038,510.90, 1,554,310.35 and 753,390.90

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Solution

The fourth proportional to 1,038,510.90, 1,554,310.35 and 753,390.90 is: 1,127,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,510.90 : 1,554,310.35 = 753,390.90 : x
  2. Step 2: Convert to fraction form
    1,038,510.90/1,554,310.35 = 753,390.90/x
  3. Step 3: Cross multiply
    1,038,510.90x = 1,554,310.35 × 753,390.90
  4. Step 4: Simplify right side
    1,038,510.90x = 1,171,003,273,465.82
  5. Step 5: Solve for x
    x = 1,171,003,273,465.82/1,038,510.90
  6. Step 6: Final answer
    x = 1,127,579.18

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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.