Home / 1,478,547.32-2,039,683.68-866,319.91

Finding the Fourth Proportional to 1,478,547.32, 2,039,683.68 and 866,319.91

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Solution

The fourth proportional to 1,478,547.32, 2,039,683.68 and 866,319.91 is: 1,195,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,547.32 : 2,039,683.68 = 866,319.91 : x
  2. Step 2: Convert to fraction form
    1,478,547.32/2,039,683.68 = 866,319.91/x
  3. Step 3: Cross multiply
    1,478,547.32x = 2,039,683.68 × 866,319.91
  4. Step 4: Simplify right side
    1,478,547.32x = 1,767,018,576,986.86
  5. Step 5: Solve for x
    x = 1,767,018,576,986.86/1,478,547.32
  6. Step 6: Final answer
    x = 1,195,104.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.