Home / 1,019,007.10-1,528,412.28-309,041.29

Finding the Fourth Proportional to 1,019,007.10, 1,528,412.28 and 309,041.29

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Solution

The fourth proportional to 1,019,007.10, 1,528,412.28 and 309,041.29 is: 463,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,007.10 : 1,528,412.28 = 309,041.29 : x
  2. Step 2: Convert to fraction form
    1,019,007.10/1,528,412.28 = 309,041.29/x
  3. Step 3: Cross multiply
    1,019,007.10x = 1,528,412.28 × 309,041.29
  4. Step 4: Simplify right side
    1,019,007.10x = 472,342,502,663.04
  5. Step 5: Solve for x
    x = 472,342,502,663.04/1,019,007.10
  6. Step 6: Final answer
    x = 463,532.10

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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.