Home / 1,098,547.40-1,646,438.70-974,131.40

Finding the Fourth Proportional to 1,098,547.40, 1,646,438.70 and 974,131.40

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Solution

The fourth proportional to 1,098,547.40, 1,646,438.70 and 974,131.40 is: 1,459,971.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,547.40 : 1,646,438.70 = 974,131.40 : x
  2. Step 2: Convert to fraction form
    1,098,547.40/1,646,438.70 = 974,131.40/x
  3. Step 3: Cross multiply
    1,098,547.40x = 1,646,438.70 × 974,131.40
  4. Step 4: Simplify right side
    1,098,547.40x = 1,603,847,635,845.18
  5. Step 5: Solve for x
    x = 1,603,847,635,845.18/1,098,547.40
  6. Step 6: Final answer
    x = 1,459,971.26

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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.