Home / 1,424,427.90-2,136,641.85-477,570.30

Finding the Fourth Proportional to 1,424,427.90, 2,136,641.85 and 477,570.30

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Solution

The fourth proportional to 1,424,427.90, 2,136,641.85 and 477,570.30 is: 716,355.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,427.90 : 2,136,641.85 = 477,570.30 : x
  2. Step 2: Convert to fraction form
    1,424,427.90/2,136,641.85 = 477,570.30/x
  3. Step 3: Cross multiply
    1,424,427.90x = 2,136,641.85 × 477,570.30
  4. Step 4: Simplify right side
    1,424,427.90x = 1,020,396,689,297.06
  5. Step 5: Solve for x
    x = 1,020,396,689,297.06/1,424,427.90
  6. Step 6: Final answer
    x = 716,355.45

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Double scale
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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.