Home / 1,628,126.10-2,442,305.76-430,036.47

Finding the Fourth Proportional to 1,628,126.10, 2,442,305.76 and 430,036.47

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Solution

The fourth proportional to 1,628,126.10, 2,442,305.76 and 430,036.47 is: 645,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,126.10 : 2,442,305.76 = 430,036.47 : x
  2. Step 2: Convert to fraction form
    1,628,126.10/2,442,305.76 = 430,036.47/x
  3. Step 3: Cross multiply
    1,628,126.10x = 2,442,305.76 × 430,036.47
  4. Step 4: Simplify right side
    1,628,126.10x = 1,050,280,547,691.07
  5. Step 5: Solve for x
    x = 1,050,280,547,691.07/1,628,126.10
  6. Step 6: Final answer
    x = 645,085.51

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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.