Home / 1,267,073.52-1,748,547.54-686,282.21

Finding the Fourth Proportional to 1,267,073.52, 1,748,547.54 and 686,282.21

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Solution

The fourth proportional to 1,267,073.52, 1,748,547.54 and 686,282.21 is: 947,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,073.52 : 1,748,547.54 = 686,282.21 : x
  2. Step 2: Convert to fraction form
    1,267,073.52/1,748,547.54 = 686,282.21/x
  3. Step 3: Cross multiply
    1,267,073.52x = 1,748,547.54 × 686,282.21
  4. Step 4: Simplify right side
    1,267,073.52x = 1,199,997,070,041.26
  5. Step 5: Solve for x
    x = 1,199,997,070,041.26/1,267,073.52
  6. Step 6: Final answer
    x = 947,061.91

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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.