Home / 972,487.04-1,341,435.48-645,814.04

Finding the Fourth Proportional to 972,487.04, 1,341,435.48 and 645,814.04

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Solution

The fourth proportional to 972,487.04, 1,341,435.48 and 645,814.04 is: 890,827.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,487.04 : 1,341,435.48 = 645,814.04 : x
  2. Step 2: Convert to fraction form
    972,487.04/1,341,435.48 = 645,814.04/x
  3. Step 3: Cross multiply
    972,487.04x = 1,341,435.48 × 645,814.04
  4. Step 4: Simplify right side
    972,487.04x = 866,317,866,738.14
  5. Step 5: Solve for x
    x = 866,317,866,738.14/972,487.04
  6. Step 6: Final answer
    x = 890,827.16

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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.