Home / 1,020,130.65-1,530,281.66-310,164.84

Finding the Fourth Proportional to 1,020,130.65, 1,530,281.66 and 310,164.84

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Solution

The fourth proportional to 1,020,130.65, 1,530,281.66 and 310,164.84 is: 465,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,130.65 : 1,530,281.66 = 310,164.84 : x
  2. Step 2: Convert to fraction form
    1,020,130.65/1,530,281.66 = 310,164.84/x
  3. Step 3: Cross multiply
    1,020,130.65x = 1,530,281.66 × 310,164.84
  4. Step 4: Simplify right side
    1,020,130.65x = 474,639,564,678.01
  5. Step 5: Solve for x
    x = 474,639,564,678.01/1,020,130.65
  6. Step 6: Final answer
    x = 465,273.31

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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.