Home / 1,310,290.60-1,963,776.70-636,526.12

Finding the Fourth Proportional to 1,310,290.60, 1,963,776.70 and 636,526.12

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Solution

The fourth proportional to 1,310,290.60, 1,963,776.70 and 636,526.12 is: 953,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,290.60 : 1,963,776.70 = 636,526.12 : x
  2. Step 2: Convert to fraction form
    1,310,290.60/1,963,776.70 = 636,526.12/x
  3. Step 3: Cross multiply
    1,310,290.60x = 1,963,776.70 × 636,526.12
  4. Step 4: Simplify right side
    1,310,290.60x = 1,249,995,163,397.40
  5. Step 5: Solve for x
    x = 1,249,995,163,397.40/1,310,290.60
  6. Step 6: Final answer
    x = 953,983.16

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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.