Home / 1,030,127.14-1,421,402.21-686,476.10

Finding the Fourth Proportional to 1,030,127.14, 1,421,402.21 and 686,476.10

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Solution

The fourth proportional to 1,030,127.14, 1,421,402.21 and 686,476.10 is: 947,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,127.14 : 1,421,402.21 = 686,476.10 : x
  2. Step 2: Convert to fraction form
    1,030,127.14/1,421,402.21 = 686,476.10/x
  3. Step 3: Cross multiply
    1,030,127.14x = 1,421,402.21 × 686,476.10
  4. Step 4: Simplify right side
    1,030,127.14x = 975,758,648,347.59
  5. Step 5: Solve for x
    x = 975,758,648,347.59/1,030,127.14
  6. Step 6: Final answer
    x = 947,221.57

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1.5x scale

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.