Home / 1,450,521-2,175,779.13-385,563.09

Finding the Fourth Proportional to 1,450,521, 2,175,779.13 and 385,563.09

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Solution

The fourth proportional to 1,450,521, 2,175,779.13 and 385,563.09 is: 578,344.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,521 : 2,175,779.13 = 385,563.09 : x
  2. Step 2: Convert to fraction form
    1,450,521/2,175,779.13 = 385,563.09/x
  3. Step 3: Cross multiply
    1,450,521x = 2,175,779.13 × 385,563.09
  4. Step 4: Simplify right side
    1,450,521x = 838,900,124,520.31
  5. Step 5: Solve for x
    x = 838,900,124,520.31/1,450,521
  6. Step 6: Final answer
    x = 578,344.01

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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.