Home / 1,037,017.72-1,431,075.90-578,126.80

Finding the Fourth Proportional to 1,037,017.72, 1,431,075.90 and 578,126.80

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Solution

The fourth proportional to 1,037,017.72, 1,431,075.90 and 578,126.80 is: 797,810.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,017.72 : 1,431,075.90 = 578,126.80 : x
  2. Step 2: Convert to fraction form
    1,037,017.72/1,431,075.90 = 578,126.80/x
  3. Step 3: Cross multiply
    1,037,017.72x = 1,431,075.90 × 578,126.80
  4. Step 4: Simplify right side
    1,037,017.72x = 827,343,330,624.12
  5. Step 5: Solve for x
    x = 827,343,330,624.12/1,037,017.72
  6. Step 6: Final answer
    x = 797,810.22

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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.