Home / 1,011,312.16-1,516,705.74-404,075.20

Finding the Fourth Proportional to 1,011,312.16, 1,516,705.74 and 404,075.20

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Solution

The fourth proportional to 1,011,312.16, 1,516,705.74 and 404,075.20 is: 606,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,312.16 : 1,516,705.74 = 404,075.20 : x
  2. Step 2: Convert to fraction form
    1,011,312.16/1,516,705.74 = 404,075.20/x
  3. Step 3: Cross multiply
    1,011,312.16x = 1,516,705.74 × 404,075.20
  4. Step 4: Simplify right side
    1,011,312.16x = 612,863,175,231.65
  5. Step 5: Solve for x
    x = 612,863,175,231.65/1,011,312.16
  6. Step 6: Final answer
    x = 606,007.92

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1.5x scale

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.